Physics Questions and Answers September 02, 2022

A 6kg bucket of water is being pulled straight up by a string at a constant speed. I determined that the tension on the string was F = ma F = (6kg * 9.8 m/s 2 ) * 0a F = 58.8 N Now its asking At a certain point the speed of the bucket begins to change. The bucket now has an upward constant acceleration of magnitude 3 m/s 2 . What is the tension in

A 1500W heater is designed to be plugged into a 120V outlet. Y Part A What current will flow through the heating coil when the heater is plugged in Express your answer numerically in ampere using three significant figures. View Available Hint(s) 15. I Submit Part B. R OWC What is R, the resistance of the heater Express your answer numerically in

Use diagrams to differentiate between gases, liquid, and solids in terms of the arrangement of particles.

State the two factors that affect diffusion in gases

To investigate the behavior of particles in matter, Form One students at Lake Elementaita Secondary school introduced some smoke into a smoke cell as shown in the diagram below. The smoke cell was then placed under a microscope as shown in the diagram below. State and explain the observation that they made.

Burning straw Transparent lid Smoke cell Smoke

State four properties of a thermometric liquid.

Mention three advantages of using mercury instead of alcohol in a thermometer.

Convert the following temperatures into Kelvin: (i) 0 0 C. (ii) 273 0 C

The figure below shows a round bottomed flask containing a coloured liquid. The flask is fitted with a capillary tube. It is observed that on holding the flask with warm hands, the level of the liquid in the capillary tube initially drops slightly and then rises. Explain this observation.

Capillary tube Coloured liquid Round bottomed flask

The distance between the pinhole and screen of a pinhole camera is 10 cm. Calculate the height of an object which is 5 m in front of the pinhole if the height if the image on the screen is 5 cm

Pleas m 25 Y 10 FN M 22x M25030,Block 1, of mass m1 0.600 kg, is connected over an ideal (massless and frictionless) pulley to block 2, of mass m2, as shown. For an angle of 0 30.0 and a coefficient of kinetic friction between block 2 and the plane of 0.300, an acceleration of magnitude a 0.200 ms2 is observed for block 2. Find the mass of

How is an atom's atomic mass number determined? 1-The atomic mass number is determined only by the number ofnucleons in the nucleus. 2-The atomic mass number is determined only by the number ofneutrons in the nucleus. 3-The atomic mass number is determined only by the number ofalpha particles emitted. 4-The atomic mass number is determined only by

Calculate (in MeV) the total binding energy for 40Ar. Express your answer using four significant figures. Calculate (in MeV) the binding energy per nucleon for 40Ar. Express your answer using three significant figures. Calculate (in MeV) the total binding energy for 40K. Express your answer using four significant figures. Part D Calculate (in MeV)

A battery-powered toy car pushes a stuffed rabbit across thefloor. Part A Draw a free-body diagram for a car (assume that it is moving fromleft to the right). Draw the force vectors with their tails at the dot. The orientationof your vectors will be graded. The exact length of your vectorswill not be graded but the relative length of one to the

Assume that you have a configuration of conductors with varying electric potentials applied to each. You make the following measurements of the values of the electric potential at different points in a two dimensional grid: X=0.0cm Y=0.0cm V=2.0volts, X=2.0cm Y=0.0cm V=2.25volts, X=0.0cm Y=2.0 cm V=2.0 volts. What are the value of the x and y

Based on the information presented in the introduction of thisproblem, what is a sound wave? 1) Propagation of sound particles that are different from theparticles that comprise the medium 2) Propagation of energy that does not require a medium 3) Propagation of pressure fluctuations in a medium 4) Propagation of energy that passes through empty

if you add heat to water at 0 degrees celsius the water will decrease in volume until it reaches: 1. 100 degrees celsius 2. 4 degrees celsius 3. 2 degrees celsius 4. 1 degree celsius

(a) What is the angular speed (in rpm) with which the Earth spins on its axis? 1 (b) What is the angular speed (in rpm) with which the Earth revolves around the Sun? Assume that the path is circular. 2

An atom of mass M is initially at rest, in its ground state. Amoving (nonrelativistic) electron of mass me collides with theatom. The atom+electron system can exist in an excited state inwhich the electron is absorbed into the atom. The excited state hasan extra, "internal," energy E relative to the atom's ground state.(Figure 1) Part A Find the

A boat owner pulls her boat into the dock shown, where thereare six capstans to which to tie the boat. She has three ropes. Shecan tie the boat from the boats center (A) to any of the capstans(B through G) along the dotted arrows shown. Suppose the owner has tied three ropes one rope runs to A from B,another to A from D, and a final rope from A to

You are attempting to create a standing wave with n = 7 in a pipe .50m in length and filled with air. the top of the pipe is open to the ait and the bottom of the pipe is barely submerged in water and thus closed. draw the diagram for this standing wave with the proper nodes and antinodes for this open- closed pipe. what is the frequency?

What is the angular momentum of a hydrogen atom in a 4p state? Give your answer as a multiple of . Express your answer as a multiple of using three significant figures. L = nothing Request Answer Part B What is the angular momentum of a hydrogen atom in a 5f state? Give you answer as a multiple of .

A 8.0 nm thick cell membrane undergoes an action potential thatfollows the curve in the figure. Part A: Whatis the strength of the electric field inside the membrane justbefore the action potential? Part B: Whatis the strength of the electric field inside the membrane at thepeak of the depolarization?

AV membrane 40 70 (mV) 0 1 2 3 t (ms)

What is the angle ? between vectors E? and F? in the figure?(Figure 1) Use components to determine the magnitudeof G ? = E ? + F ? . Use components to determine the directionof G ? = E ? + F ?

F 1 2 1

Assume the motions and currents mentioned are alongthe x axis and fields are inthe y direction. (a) Does an electric field exert a force on a stationary chargedobject? YesNo (b) Does a magnetic field do so? YesNo (c) Does an electric field exert a force on a moving chargedobject? YesNo (d) Does a magnetic field do so? YesNo (e) Does an electric

A 750g mass is placed on a spring which lies on a frictionless surface. the spring has a spring constant k=500 N/m and is at its equilibrium length. A)the spring is tretch so that it is 10.0cm longer than its equilibrium length. how much elastic potential energy is stored in the spring now? b)now the spring from part (a) is released, what is the

A 60-cm-long heating wire is connected to a 120 V outlet. If the wire dissipates 45 W, what are (a) the current in and (b) the resistance of the wire?

A 60 kg runner in a sprint movesat 11 m/s. A 60 kg cheetah in asprint moves at 33 m/s. By what factor does the kinetic energy of the cheetah exceedthat of the human runner?

A 1500-rm kg car drives at 30 rm m/s around a flat circular track 300 rm m in diameter. What are the magnitude and direction of the net force on the car? 9000N Since the net force is equivalent to the force of static friction, your answer to Part D is the magnitude f_s. Based on this value, what is the minimum coefficient mu_s of static friction

A 3.0-cm-tall object is 45 cm in front of a concavemirror that has a 25 cm focal length. Part A Calculate the image position. b = ___cm in front of the mirror Part B Calculate the image height. h=____cm

A 2.0 c m -tall candle flame is 2.0 m from a wall. You happen to have a lens with a focal length of 42 c m . For each location, what is the height of the image? I know that there are two image locations, but I cannont find what the heights of the two images would be.

What is the amplitude of the motion (in cm)? What is the period (in s)? What is the equilibrium position (in cm)? What is the maximum velocity of the object (in cm/s)?

y (cm) 40 201 0 0 4 8 I 12 16

A cannonball is shot vertically upward with a velocity of 75m/s. (i) Calculate how long it takes for the cannonball to reachits highest point. (ii) While it is rising in the air (choose one an explainchoice) (a) its acceleration and velocity areboth upward (b) its velocity is upward and itsacceleration is downward (c) its velocity and acceleration

A cargo barge is loaded in a saltwater harbor for a trip up a freshwater river. If the rectangular barge is 3.50 m by 24.0 m and sits 0.600 m deep in the harbor, how deep will it sit in the river? h=________m

Calculate the change in decibels (AB2, AB4, and AB8) corresponding to m2, m4, and m8. Give your answers, separated by commas, to the nearest integerthis will give an accuracy of 20, which is good enough for sound.

The angular velocity (in rpm) of the blade of a blender isgiven in the figure. a.If ?=0rad at t=0s, what is the blade's angular position att=20s? b.At what time hasthe blade completed 25 full revolutions?

w (rpm) 250 200 150 100 50 0 5 10 15 t (s) 20

When a certain capacitor carries charge of magnitude Q on each of its plates, it stores energy U. In order to store twice as much energy, how much charge should it have on its plates? The answer is sqrt(2) * Q From which equations and how is this answer derived?

In an average human, basic life processes require energy to besupplied at a steady rate of 100. What daily energyintake, in Calories, is required to maintain these basic processes This is the minimum daily caloric intake needed to avoidstarvation.

What is the charge on each capacitor in the figure ?Enter your answers numerically separated by commas. What is the potential difference across each capacitor in the figure Enter your answers numerically separated by commas.

30 V C 12 F C 4 F C 6 F

A block with mass m = 6.2 kg is attached to two springs with spring constants kleft = 31.0 N/m and kright = 49.0 N/m. The block is pulled a distance x = 0.2 m to the left of its equilibrium position and released from rest. 1) What is the magnitude of the net force on the block (the moment it is released)? 2) What is the effective spring constant

Your car is skidding to a stop from a high speed. Part A Identify all forces acting on the object. Check all that apply. Weight, w Tension, T Kinetic friction force, f k Air resistance, D Thrust, F thrust Normal force, n SubmitMy AnswersGive Up Correct Part B Draw a free-body diagram of the car. Suppose that the caris moving to the right. Draw the

A car goes into a skid and comes to a gradual stop, acceleratingat a constant rate to do so. At the midpoint of the skid, how muchof its kinetic energy has the car lost (as a percentage, give % asthe units)?

Calculate the magnitude of the linear momentum for the following cases. (a) a proton with mass 1.67 1027 kg, moving with a speed of 5.45 x 106 ms kg ms (b) a 16.0g bullet moving with a speed of 435 ms kg ms (c) a 72.5kg sprinter running with a speed of 11.0 ms kg ms,(d) the Earth (mass 5.98 x 1024 kg) moving with an orbital speed equal to

Show how a fall in the matching efficiency technology can affect output (or employment), wages, the unemployment and vacancy rates. How could economists differentiate this from a fall in labor productivity if they could view the four above pieces of data over many years In other words, how would the outcomes from these two shocks produce different

Canola oil is less dense than water, so it floats on water, butits index of refraction is 1.47, higher than that ofwater. When you are adding oil and water to a bottle to make saladdressing, you notice a silvery reflection of light from theboundary between the oil and water. What is the critical angle for light going from the oil into thewater?

Bob has just finished climbing a sheer cliff above a beach and wants to figure out how high he climbed all he has to use, however is a baseball, a stopwatch and a friend on the ground below with a ling measuring tape. Bob is a picher, and knows that the fastest he can throw the ball is about 31.7 m/s. Bob starts the stopwatch as he throws the ball

A Book on a table A book weighing 5 N rests on top of a table.(Figure 1) below PartA Adownward force of magnitude 5 N is exerted on the book by the forceof thetable gravity inertia . PartB Anupward force of magnitude _____ is exerted on the _____ by thetable. PartC Do thedownward force in Part A and the upward force in Part B constitutea 3rd law

1. A solution whose precise concentration is known is called a standard solution TIT O sample solution O dilute solution O concentrated solution

If A and B are nonzero vectors for which AB = 0, it must follow that A) AB = 0. B) A is parallel to B . C) |A B | = AB. D) | AB| = 1.

a 480 ohm resistor, an uncharged 1.65 microfarad capacitor, and a battery with a 6.19 V potential differnece are connected in series. a) what is the intial current in mA, immediately after they are connected? (i got the correct answer I=12.9 mA) b) What is the RC time constant in s? (i got the correct answer t=7.92*10^-4 seconds) c) what is the

(4) Problem 21 A 480 22 resistor, an uncharged 1.65 F capacitor, and a battery with a 6.19 V potential difference are connected in series. Randomized Variables R 480 92 C 1.65 F AV 6.19 V 25 Part (a) What is the initial current in mA, immediately after they are connected What is the RC time constant in s 25 Part (b) A 25 Part (c) What is the

(4) Problem 5 Joe has rolled a long electrical extension cord into a coil of radius rc 11 cm with N 1 loops. The coil of extension cord is initially lying horizontally (flat) on the floor of Joes garage. Joe picks up the coil and rotates it 90 in t, 0.65 seconds so that the coil is now vertically oriented (see the figure). J A 33 Part (a) If

(3) Problem 1 A circular air hockey puck of radius r slides across a frictionless air hockey table and is subjected to several forces as shown below. The magnitude and direction of each force is given. Forces are applied at either the center of mass of the puck, the outer edge (a distance r from the center), or a distance halfway (r2) between the

4. A 20 light bulb and a 10 2 light bulb are placed in parallel with one another in a circuit (along with a battery). All three circuit elements are parallel with each other. In this situation (choose one of following defend your choice with an explanation) a) The 20 light bulb will have the same voltage drop as the 100 light bulb. b) The 202

Estimate a linear model of the form Y 30 B11 x2 3x3 U Report the estimated coefficient 83. Interpret the estimated coefficient.

You have a collection of six 1.0 kO resistors. What is the smallest resistance you can make by combining them?

A charge +Q is located at the origin and a second charge, +4Q, is at distance d on the X-axis. Where should a third charge,q , be placed, so that all three charges will be in equilibrium? Express your answer in terms of d . x=______________ What should be its sign, so that all three charges will be in equilibrium? Negative or Positive? What should

If the cart is moving on the positive x axis, the x-component ofvelocity must be negative. True or False?

In each case, find the x- and y-components of vector A: Enter your answers numerically separated by a comma. Express your answers using three significant figures. 1.) A = 3.80 i - 6.50 j 2.) A = 14.2 j - 6.91 i 3.) A = -15.0 i + 22.8 j 4.) A = 5.0B, where B= 8 i - 8 j

Each capacitor in the figure (Figure 1) has capacitance C . Whatis the equivalent capacitance between points a and b? (The answeris NOT: 1 or 6/6 or 1F or 1C or 6 or 3/10 or 2/3) Remember:Parallel Capacitors are joined Top to Top AND Bottom to Bottom;Series capacitors are joined End to End in a Row!!

Figure 1 a b of 1 HE

In comparison to microwaves, visible light has? (one of thefollowing) -a speed that is faster. -frequencies that are equal. -wavelengths that are shorter. -wavelengths that are equal. -wavelengths that are longer.

Calculate the work W done by the gas during process 12651.

2P0 Po 51 Vo 4 6 2V 3Vo V

For the circuit shown in the figure below, find the following. 1) the current in each resistor I 1 = 2) I 2(top) = A 3) I 2(middle) = A 4) I 6 = A 5) the power supplied by each source of emf P 4V(top) = W 6) P 4V(middle) = W 7) P 8V = W 8) the power delivered to each resistor P 1 = W 9) P 2(top) = W 10) P 2(middle) = W 11) P 6 = W

8.00 V T 100 400V 200 WH WWW 2.00 2 400 V 6.00 2

Circle the correct phrase inside each parentheses: During itsexponential decay, the capacitor voltage decreases by (the sameamount, the same fraction) when the time increases by (the sameamount, the same fraction).

(10) Problem 10 An object of mass is launched from a planet of mass M and radius R. Borga, Yanies estrany.bhotmail.com sports.comtracking4N9E7743050725139 In contince with Export TAs Terms of Servies mpying this information for any sedutim sharing weballe strictly forbidden Doing so may result in termination of your Expo TAA 50 Part (a) Derive and

(20) Problem 5 Hot air balloons float by heating the air inside an inflatable compartment. Consider such a balloon which has an inflatable compartment of maximum volume 3200 m and a basket with passengers of total mass 240 kg. 50 Part (a) How hot, in degrees Celsius, would the air inside the balloon have to get in order for the balloon to lift

(10) Problem 7 It takes a student 7.4 s to push a block m 43 kg at a constant velocity over a distance of d 8.2 m. The coefficient of friction between the block and the ground is 0.26.,33 Part (a) Write an expression using the variables provided for the force applied by the student F a e i N b f j P Submit 14 g k S Hint e d h m t ( 789 M 4 5

D D Question 3 An object is in static equilibrium. Which statement(s) about this object must always be true (Select anyall correct answers.) The acceleration of the object is zero. The net force on the object is zero. No forces are acting on the object. Question 4 Fill in the blank. When an elevator first begins to ascend (move upwards). you feel

15 (10) Problem 7 In a mechanical wave, the restoring force is the force that actually causes the oscillation. In which direction does a restoring force act opposite the direction of the propagation. Oopposite the direction of the displacement from equilibrium. O in the same direction as the displacement from equilibrium. O in the same direction

6. Consider the entrydeterrence game below. The potential entrant moves first and would have to spend some amount in sunk costs to enter the market. In this game, the Incumbent Monopoly has a. b. C. d. e. an incentive to threaten high prices, which would be credible. an incentive to threaten low prices, which would be credible. an incentive to

(10) Problem 10 A combination of series and parallel connections of capacitors is shown in the figure. The sizes of these capacitors are given by the follow data C 4.3 F C3.7 F CUA C3 8.1 F C4 1.9 F C5 0.75 F C6 15.5 F A 50 Part (a) Express the total capacitance of this combination in terms of the capacitances C through C6. C 1 a C C4 d m

a) What is the amplitude of the oscillation shown in (Figure 1)? b) What is the frequency of the oscillation shown in the figure? c) What is the phase constant of the oscillation shown in the figure? Suppose that ?180? ? ? 0 ?180?.

x (cm) 10 5 0 5 10 1 2 3 4 t(s)

The viscous force of a spherical ball moving viscous liquid may depend on viscocity of liquid m, radius of sphere ) derive stocks through a formula for the viscous force acting on spherical ball

Consider the sections of two circuits illustrated above. Select True or False for all statements.After connecting a and b to a battery, the voltage across R1 always equals the voltage across R2.Rcd is always less than or equal to R3.After connecting c and d to a battery, the current through R3 always equals the current through R4.Rab is always

R M M R b R3 R C ww

Comparing infrared and ultraviolet, we can say that__________. ultraviolet has longer wavelength and higher photon energy ultraviolet has longer wavelength and lower photon energy infrared has longer wavelength and lower photon energy infrared has longer wavelength and higher photon energy

A bridge, constructed of 11 beams of equal length Land negligible mass, supports an object of mass as shown. Real bridges of this sort have steelrockers at the ends (check one out sometime), these assure that thesupport forces on the bridge are vertical even when it expands orcontracts thermally. Throughout this problem, use for the magnitude of

Complete the following statement: A force that acts on an objectis said to be conservative a. if the work it does on the object is independent of the pathof the motion. b. it results in a change in the object's kinetic energy. c. it obeys Newton's laws ofmotion. d, it always acts in thedirection of motion of the object. e.the work it does on the

When a constant force acts on an object, what does the object's change in momentum depend upon? check all that apply The change in momentum depends upon the magnitude of the force. The change in momentum depends upon the change in the position of the object. The change in momentum depends upon the time interval during which the force acts. The

Consider the situation depicted in this applet. The red blockmoves along a rough surface. The system begins at rest. You mayassume that the pulley and rope are both massless andfrictionless. Which of the following forces act upon the redblock? tension gravitational force friction normal force

Which of these will create EM radiation? (Select all thatapply.) an electron moving at a constant speed in a circular path an AC circuit a motionless proton a proton moving at a constant speed in a circular path an electron moving at constant velocity

A container holds a pure sample of a radioactive substance with a half-life of 2 hours. Part A Which of the following statements are true? a) After 1 hour, less than 50% of the original atoms in the container will have decayed. b) After 1 hour, more than 50% of the original atoms in the container will have decayed. c) After 2 hours, 50% of the

Consider an ideal gas at 27.0 degrees Celsius and 2.00 atmosphere pressure. Imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. What is the length of an edge of each small cube if adjacent cubes touch but dont overlap

A constant net force acts on an object. Which of the following best describes the object's motion? a. The object is at rest; its position is constant. b. The object is moving with a constant velocity. c. The object is moving with a decreasing acceleration in the opposite direction of the force. d. The object is moving with an increasing

classify Statements about the eye as true or false. 1. The image formed in the eye is upright. 2. The blind spot is a transparent covering over the eye. 3. The image seen by the eye should be focused on the back of the retina. 4. Information leaves the eye through the ciliary muscle. 5. Adjustments in focus are collectively called accommodation

Company Bulldogs issued fixed-rate 4.00% bonds due on December 31, 2019 with a $1,000,000 face value on January 1, 2016 (meaning the duration of the bonds is 4 years). The effective/market interest rate is 6.00%. Recall that cash interest payments were paid semi-annually. How much interest expense should Bulldogs recognize for the six-month period

For the circuit shown in the figure below, we wish to find the currents I1, I2, and I3.(a) Use Kirchhoff's rules to complete the equation for the upper loop. (Use any variable or symbol stated above as necessary. All currents are given in amperes. Do not enter any units.)(b) Use Kirchhoff's rules to complete the equation for the lower loop. (Use

8.00 18.0 V 11.0 In W 5.00 12.0 V Ig 5.00 7.00 36.0 V

b Four identical thin rods, each with mass m and length L, are connected as shown to form a square with mass m. Note that the moment of inertia for each rod is Icm mL12. (Remember that this is for an axis perpendicular to the rod and passing from the midpoint.) You are going to use the parallelaxis theorem to compute the moment of inertia of the

A child's toy consists of a block that attaches to a table with a suction cup, a spring connected to that block, a ball, and a launching ramp. The spring has a spring constant K , the ball has a mass M , and the ramp rises a height Y above the table, the surface of which is a height H above the floor. Initially, the spring rests at its equilibrium

An circuit consists of a resistor (resistance R), inductor (inductance L), and capacitor (capacitance C) connected in series with an AC source supplying sinusoidal voltage Vo cos(wt). Assume that all circuit elements are ideal, so that the Pri only resistance in the circuit is due to the resistor. Also assume that w is the resonant frequency of

When calculating the force f acting on each hanging mass it wasassumed that g = 9.81 m/s^2, though the exact value, in fact,varies from place to place on earth. if you balanced the forces(i.e. centered the ring) here, would the force table still bebalanced if you moved it to another location where g was not 9.81m/s^2? what effect, if any, would

4. The bar magnet is pushed toward the center of a wire loop. Which is true A. There is a clockwise induced current in the loop. B. There is a counterclockwise induced current in the loop. C. There is no induced current in the loop. N S

(8) Problem 13 A Christmas light is made to flash via the discharge of a capacitor. The effective duration of the flash is 0.21 s (which you can assume is the time constant of the capacitor), during which it produces an average 75 mW from an average voltage of 3.1 V. A 25 Part (a) How much energy, in joules, does it dissipate E sin() cotan() III

6. What is the equivalent capacitance of the combination shown 20 F a. 29 F b. 10 uF C. 40 F d. 25 F e. 6.0 F a. b. 20 F 10 F 7.What is the equivalent capacitance of the combination shown 20 F 90 uF C. 22 F d. 4.6 F e. 67 F 12 F HH 12 F a. 28 F b. 36 uF 52 F C. d. 44 F e. 23 F 24 D 20 30 30 F 8. If C 45 F, determine the equivalent capacitance

(9) Problem 2 A batteryoperated car utilizes a 120.0 V battery with negligible internal resistance. Find the charge, in coulombs, the batteries must be able to store and move in order to accelerate the 780 kg car from rest to 24 ms, make it climb a 1.75 x 10 m high hill while maintaining that speed, and then cause it to travel at a constant 24 ms

1 d d nd ed (7) Problem 11 A solenoid is created by wrapping a L 65 m long wire around a hollow tube of diameter D4.5 cm. The wire diameter is d0.55 mm. The solenoid wire is then connected to a power supply so that a current of I 7.5 A flows through the wire. Randomized Variables L 65 m D4.5 cm d0.55mm I7.5 A 20 Part (a) Write an expression for

(8) Problem 10 Consider a cylindrical cable with a hanging weight suspended from it. 33 Part (a) When the mass is removed, the length of the cable is found to be lo 4.79 m. After the mass is added, the length is remeasured and found to be l 5.31 m. Determine Youngs Modulus Y in Nm for the steel cable if the weight has a mass m 95 kg and the

answer questions a-c please

(7) Problem 7 Consider the magnetic forces and particle velocities shown in the figure. LL F (a) (b) Fin (c) AF

A child bounces in a harness suspended from a door frame bythree elastic bands. (a) If each elastic band stretches 0.270 m while supporting a8.35-kg child, what is the force constant for each elastic band?(N/m) (b) What is the time for one complete bounce of this child?(seconds) (c) What is the child's maximum velocity if the amplitude of

A cell membrane has a resistance and a capacitance andthus a characteristic time constant. What is the time constant of a 9.0-nm-thick membrane surroundinga 0.040-mm-diameter spherical cell? Assume the resistivity of thecell membrane as 3.6107 ??m and the dielectric constant isapproximately 9.0.

Question 2 (4 points) Determine the power dissipated by the 400 resistor in the circuit shown. 18 V 4.00 1) 9.0 W 21 27 W 3) 4.5 W 14) 3.6 W 5) 14 W Save Activity Details 40 22 www. 10 Q2

in order, from largest to smallest, the currents I to IT at points 1 to 7. from largest to smallest. To rank items as equivalent, overlap them. VER Largest 4 464400 The correst ranking cannot be determined Reset Help Smallest,The two circuits in use identical batteries and wires of equal diameters. Part A Rank in order, from largest to smallest,