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Physics Questions and Answers October 14, 2019

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How much heat is required to change a 4 4 . 8 g ice cube from ice at - 1 0 . 2 C to water at 4 0 C ? ( if necessary, use cice = 2 0 9 0 J / kg C and csteam = 2 0 1 0 J / kg C ) Tries 0 / 1 0 How much heat is required to change a 4 4 . 8 g ice cube from ice at - 1 0 . 2 C to steam at 1 1 4 C ?

in exercising, a weight lifter loses 0 . 1 6 2 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. the work done lifting weights is 1 . 7 5 x 1 0 ^ 5 J . ( a ) assuming that the latent heat of vaporization of perspiration is 2 . 4 2 x 1 0 ^ 6 J / kg , find the change in the internal

An airplane flies in a loop ( a circular path in a vertical plane ) of radius 1 9 0 mm . The pilot's head always points toward the center of the loop. The speed of the airplane is not constant; the airplane goes slowest at the top of the loop and fastest at the bottom.At the top of the loop, the pilot feels weightless. What is the speed of the

A sound - insulating door reduces the sound level by 2 5 dBdB . Part A What fraction of the sound intensity passes through this door?

When a 4 0 - lblb weight is suspended from a spring, the spring is stretched a distance of 4 inin.

Imagine you are in an open field where two loudspeakers are set up and connected to the same amplifier so that they emit sound waves in phase at 6 8 8 HzHz . Take the speed of sound in air to be 3 4 4 m / sm / s . If you are 3 . 0 0 mm from speaker A directly to your right and 3 . 5 0 mm from speaker B directly to your left, will the sound that

The density of water that is at 0 C is very nearly 1 0 0 0 k g m 3 ( it is actually 9 9 9 . 8 4 k g m 3 ) , whereas the density of ice that is at 0 water from expanding when it freezes, neglecting the effect such a large pressure would have on the freezing temperature. associated with freezing water might be . ) The bulk modulus of ice is 2 . 2 0
The density of water that is at 0 C is very

A 2 . 0 kgkg , 2 0 - cmcm - diameter turntable rotates at 1 2 0 rpmrpm on frictionless bearings. Two 5 5 0 gg blocks fall from above, hit the turntable simultaneously at opposite ends of a diameter, and stick. Part A What is the turntable's angular velocity, in rpmrpm , just after this event? Express your answer in revolutions per minute. Activate

The voltage supplied to an ac circuit is given by v ( t ) = ( 1 2 0 V ) s i n ( 3 7 7 t ) . What is the frequency of the source?
The voltage supplied to an ac circuit is given by

One rope pulls a barge directly east with a force of 6 7 newtons, and another rope pulls the barge directly north with a force of 5 4 newtons. Find the magnitude of the resultant force acting on the barge. Question 4 options: A ) 1 2 1 newtons B ) 8 6 newtons C ) 3 6 1 8 newtons D ) 1 3 newtons

the tendency for decision - makers to put more weight

explains why the second floor of a house is usually a bit warmer than the ground floor because when air is heated, its volume , resulting in a density. The warm, air tends to rise in a room filled with colder, air.
explains why the second floor of a house is

Consider a spring - mass system on a frictionless horizontal surface. Let k = 2 5 N m , and m = 5 0 0 g . Assume an initial displacement of + 2 . 0 cm and an initial velocity of + 1 2 c m s . With the resulting motion described by x ( t ) = Acos ( t + ) , find the following: a ) ( angular frequency ) b ) ( initial phase angle ) c ) A ( amplitude )
Consider a spring - mass system on a frictionless

At speeds approaching the speed of light, the kinetic energy of a moving object is equal to 1 2 m c 2 1 2 m v 2 m c 2 1 - v 2 c 2 2 m c 2 1 - v 2 c 2 2 - m c 2 none of the above.
At speeds approaching the speed of light, the

Kirkwood Gaps are caused by: the gravitational perturbations of Jupiter the gravitational perturbations of Mars unknown interplanetary forces none of these
Kirkwood Gaps are caused by: the gravitational

A wavelength of 4 . 6 5 3 m 4 . 6 5 3 m is observed in a hydrogen spectrum for a transition that ends in the nf = 5 nf = 5 level . What was nini for the initial level of the electron?

What are the forces acting on the wire, and which directions do they go ? Gravity, upward. Magnetic force, downward. Magnetic force, upward. Gravity, upward. Gravity, downward. Magnetic force, upward. Magnetic force, downward. Gravity, downward.

police officer in a stationary police car aims a radar device emitting sound waves at a truck traveling toward him at 1 1 8 . 3 km / h . The frequency of the radar gun is 1 0 . 5 2 5 \ times 1 0 } Hz . The frequency of the waves reflecting from the truck and returning to the radar gun is shifted from the emitted by frequency approximately by

A glass plate 2 . 7 5 mmmm thick, with an index of refraction of 1 . 6 0 , is placed between a point source of light with wavelength 5 9 0 nmnm ( in vacuum ) and a screen. The distance from source to screen is 2 . 9 0 cm

During the UM annual blood battle with ohio state, a student's blood donation lasts for 3 0 minutes and results in 1 L of blood. Assuming that the blood is being collected at a constant rate the whole time, what is the blood speed through the donation tube if it has a radius of 3 mm ?

An artificial satellite circling the Earth completes each orbit in 1 5 0 minutes. ( a ) Find the altitude of the satellite. Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. m ( b ) What is the value of g at the location of this satellite? Did you accidentally divide

A student of mass 5 7 . 4 kg , starting at rest, slides down a slide 2 0 . 2 m long, tilted at an angle of 2 2 . 1 with respect to the horizontal. If the coefficient of kinetic friction between the student and the slide is 0 . 1 2 8 , find the force of kinetic friction, the acceleration, and the speed she is traveling when she reaches the bottom

Calculate the number of air molecules in your cubical shaped room of length 3 meter ( Assume standard pressure of 1 . 0 1 3 1 0 5 Pa and temperature of 2 7 degree celsius, Boltzmann constant k = 1 . 3 8 1 0 - 2 3 J K ) 6 . 0 2 3 1 0 2 3 6 . 6 1 0 2 6 7 . 3 1 0 2 5 7 . 3 1 0 2 7 8 . 2 1 0 2 6
Calculate the number of air molecules in your

What would be the angle in water ( n = 1 . 3 3 ) if light enters from air at 2 0 ? Question 2 8 options: 2 7 . 1 1 0 . 3 1 9 . 4 1 4 . 9 1 6 . 8 2 2 . 6

Walking at 2 . 1 km / h requires an energy expenditure rate of about 2 0 0 W . How far would you have to walk to "burn off" a 5 1 7 - kcal slice of chocolate cake ( km ) ?

how hot does something need to be to make steel grow 1 centimeter

If the path of automobile headlights are observed in foggy weather, what is the approximate size of the water droplets in the fog? less than 1 nm 1 1 0 0 nm 1 0 0 1 0 0 0 nm 1 0 0 0 1 0 , 0 0 0 nm greater than 1 0 , 0 0 0 nm

A woman is 1 . 9 m tall, with her eyes at a height of 1 . 7 6 m . A mirror is on the wall, ending somewhat higher than her head. What is the highest point above the floor the bottom of the mirror can be so that she can still see her feet?

What a man on affliction, less rotating stool extends his arms horizontally, his rotational, kinetic energy must remain the same must decrease may increase or decrease depending on his initial angular velocity may increase or decrease depending on his angular acceleration must increase

Exercise 4 . In any mechanics problem, the position vector~ r sweeps out equal areas in equal times ( ) the magnitude of the angular momentum | ~ L | is conserved.

A ball of negligible size and a given mass is attached to a vertical spring that obeys Hooke's law. The mass is set in oscillation in a vertical direction. At equilibrium, its position is recorded to be "zero". At what point during the oscillation will the ball - earth - spring system have the maximum elastic potential energy? View Available Hint

A particle of charge + 8 C is located at the end of a spring at some equilibrium position what is the spring constant

( Figure 1 ) shows a 1 0 0 - turn coil of wire of radius 1 1 cm in a 0 . 2 5 T magnetic field. The coil is rotated 9 0 in 0 . 3 0 s , ending up parallel to the field. Part A What is the average emf induced in the coil as it rotates? Express your answer with the appropriate unite. E = Provido Feedback Figure 1 of 1
( Figure 1 ) shows a 1 0 0 - turn coil of wire of

To understand the formula for power radiated in the form of electromagnetic energy by an object at nonzero temperature. Every object at absolute ( Kelvin ) temperature T will radiate electromagnetic waves. This radiation is typically in the infrared for objects at room temperature, with some visible light emitted for objects heated above 1 0 0 0 K
To understand the formula for power radiated in

Pressure can be measured in units of psi, pounds per square inch. What is 3 5 psi in pounds per square centimeter ( 1 . 0 0 in = 2 . 5 4 cm ) ? 8 9 lb / cm 2 5 . 4 lb / cm 2 2 3 0 lb / cm 2 1 4 lb / cm 2

A long straight, horizontal wire carries a left to right current of 2 4 A if the wire is placed in a uniform magnetic field 5 . 1 x 1 0 ^ - 7 T

Part A A block of wood has a density of 9 0 0 k g m 3 . I t i s placed i n a fluid i n which i t floats with two - thirds o f its volume submerged. What i s the density o f the fluid? Express your answer i n kilograms per meter cubed. = k g m 3
Part A A block of wood has a density of 9 0 0 k g

Unit 5 Progress Check: FRQ 1 Show all your work for each part of the question. The parts within the question may not have equal weight. A pulley is made from a solid disk that can rotate with negligible friction about a fixed axle at its center, as shown in Figure 1 . The pulley has mass M and radius R , and its mass is distributed such that its
Unit 5 Progress Check: FRQ 1 Show all your work

How does the doubling of the amplitude of a mass on a spring change the frequency of the system?

A capacitor is connected across an ac source that has voltage amplitude 5 2 . 0 V and frequency 7 5 . 0 Hz .
A capacitor is connected across an ac source that

What is the wavelength for the n = 5 to the n = 3 transition in the hydrogen atom? A . 6 8 4 nm B . 1 2 8 2 nm C . 8 2 0 4 nm D . 8 8 4 nm
What is the wavelength for the n = 5 to the n = 3

The intensity of light with wavelength traveling through a diffraction grating with N slits at an angle is given by I ( ) = N 2 sin 2 ( k ) / k 2 , where k = ( Nd sin ) / and d is the distance between adjacent slits. A helium - neon laser with wavelength = 6 3 2 . 8 1 0 9 m is emitting a narrow band of light, given by 1 0 6 < < 1 0 6 , through a

What is the mass defect of a ? 2 9 6 3 C u nucleus, which has a mass of m C u = 1 . 0 4 4 7 1 0 - 2 5 k g ? ( Hint: m p = 1 . 6 7 2 6 1 0 - 2 7 k g and m n = 1 . 6 7 4 9 1 0 - 2 7 k g . ) 1 . 0 4 4 7 1 0 - 2 5 k g 9 . 8 1 0 - 2 8 k g 4 . 9 5 5 1 0 - 2 6 k g 1 . 0 5 4 5 1 0 - 2 5 k g
What is the mass defect of a ? 2 9 6 3 C u

1 . A projectile, with mass , located above the ground is launched in the horizontal direction. Before it strikes the ground, it travels in the horizontal direction. Show the formulas for initial momentum and error calculation, then calculate and properly report the momentum of the steel ball in the horizontal direction, . 2 . The same projectile,

What js the magnitude flux intitally
What js the magnitude flux intitally

a cylinder with rotational iniertia I = 1 . 9 3 rotates clockwise about a vertical axis through its center with angular speed w = 6 rad / s . a second cylinder

what can happen if you throw water on an electrical fire?

A firkin is an old British unit of volume equal to 9 gallons. How may cubic meters are there in 8 . 8 3 firkins?

The figure below shows two pulses traveling on a string and approaching each other at t = 0 . Both pulses travel with a speed of 1 m s How does the string look like at t = 3 s
The figure below shows two pulses traveling on a

Question 9 1 pts Suppose that the temperature at the center of the sun is 2 . 0 0 * * 1 0 7 K . What is the average translational kinetic energy of a proton in the Sun's interior? 2 . 4 8 1 0 8 J 4 . 1 4 1 0 - 1 6 J 2 . 7 6 1 0 - 1 6 J 4 . 9 6 1 0 8 J 2 . 2 3 1 0 4 J
Question 9 1 pts Suppose that the temperature at

If the magnetic field somewhere in space is changing in time, what will also happen around this place in space?

shows your 1 . 5 kgkg laptop computer being dragged up a 2 5 slope at steady speed by a rope with tension 1 2 NN . Both the laptop and the slope are getting warmer because of friction. We want to find the increase in thermal energy if the laptop is pulled 2 . 0 mm . How much work does tension do on the laptop as it moves 2 . 0

I ( t ) = Ae bt sin ( t ) , where A = 5 . 2 5 A , b = 1 . 7 5 1 0 2 s 1 , and = 3 7 5 rad / s . At t = 0 . 7 4 0 s , this changing current induces an emf in a second coil that is close by . If the mutual inductance between the two coils is 4 . 2 6 mH , determine the induced emf. ( Assume we are using a consistent sign convention for both coils.

6 ) An air - track cart is attached to a spring and completes one oscillation every 5 . 8 7 s . At / = 0 s the cart is releasedat a distance of 0 . 2 5 0 m from its equilibrium position. What is the position of the cart when t = 2 9 . 6 s ? A ) x = 0 . 2 4 1 mB ) x = 0 . 2 1 0 mC ) x = 0 . 2 1 8 mD ) x = - 0 . 2 1 8 m

A 2 . 0 kg book is lying on a 0 . 7 8 - m - high table. You pick it up and place it on a bookshelf 2 . 3 0 m above the floor. How much work does gravity do on the book? Express your answer with the appropriate units. How much work does your hand do on the book? Express your answer with the appropriate units.

In the wave equation, 2 2 = 1 2 2 2 2 y x 2 = 1 v 2 2 y t 2 , what can you say about v ? Select answer from the options below If v is zero, the wave is a standing wave. If v is positive, the wave is traveling in the + x direction, and if v is negative, the wave is traveling in the - x direction. v must be positive. v must be negative. If v is

A cyclist races around a circular track at the constant speed of 2 0 m s . The radius of the track is 5 0 m . The acceleration of the cyclist is A . zero. B . 8 m s 2 , toward the center of the track. C . 1 0 m s 2 , downward. D . 2 0 m s 2 , in the direction of travel. A B C D
A cyclist races around a circular track at the

Two linear polarizing filters are placed one behind the other, so that their transmission directions are parallel to one another. A beam of unpolarized light of intensity I 0 is directed at the two filters. What intensity of the light will pass through both filters? I 0 0 0 . 2 5 I 0 2 I 0 0 . 5 I 0
Two linear polarizing filters are placed one

Problem 2 : ( 2 0 points ) [ You will use your student ID parameter \ ( \ mathbf { Y } \ ) in this question ] An imaging system is illustrated above. Suppose that the camera has the following parameters: Focal length of the lens: \ ( f = 4 \ mathrm { ~mm } \ ) Sensor length: 1 mm Distance between the lens the sensor plane: \ ( d = \ mathbf { Y } +
Problem 2 : ( 2 0 points ) [ You will use your

The LC circuit of a radar transmitter oscillates at 3 9 . 2 GHz . ( a ) What inductance is required for the circuit to resonate at this frequency if its capacitance is 2 . 2 0 pF ? pH ( b ) What is the inductive reactance of the circuit at this frequency?

A uniform magnetic field B is perpendicular to the plane of a circle loop of diameter 1 2 cm . Resistance of loop is R = 1 . 5 ohms at what rate must the magnitude b change to induce 8 A current in loop

An object with a height of 2 . 4 2 cmcm is placed 3 5 . 8 mmmm to the left of a lens with a focal length of 3 2 . 6 mmmm .

? i s a c h a r a c t e r i s t i c o f l a s e r l i g h t i n w h i c h t h e f r e q u e n c y o f e a c h w a v e i s t h e s a m e

A horizontal rectangular surface has dimensions 3 . 5 0 cmcm by 3 . 2 0 cmcm and is in a uniform magnetic field that is directed at an angle of 3 2 . 0 above the horizontal.

A thin, 0 . 2 5 0 0 0 0 [ m ] ( assume infinite precision ) strip of copper is stored at a room temperature of 6 8 . 0 0 [ F ] . ( a ) What is this temperature in C and K ? ( b ) If the strip of copper is heated to a temperature of 9 0 . 0 0 [ F ] , find the new length of the copper strip ) = ( 1 7 1 0 - 6 [ K - 1 ] .
A thin, 0 . 2 5 0 0 0 0 [ m ] ( assume infinite

A 7 . 0 0 g bullet moving at \ ( 9 1 1 \ mathrm { ~m } / \ mathrm { s } \ ) strikes a 9 0 0 g wooden block at rest on a frictionless surface. The bullet emerges, traveling in the same direction with its speed reduced to \ ( 4 8 2 \ mathrm { ~m } / \ mathrm { s } \ ) . ( a ) What is the resulting speed of the block? ( b ) What is the speed of the
A 7 . 0 0 g bullet moving at \ ( 9 1 1 \ mathrm {

A solid spool of thread has radius R , mass M , and moment of inertia . ( a ) If you pull up on the thread so that the center of mass of the spool remains suspended in the air at the same place as it unwinds, what force must you exert on the thread? ( Variables that may be included in your final answer are M , R , and known constants. ) ( b ) By

Every few years, when the jet stream descends during early spring in Boulder, Colorado, the winds there reach sustained speeds of 4 3 . 0 m / s . Approximate the force ( as calculated using the Bernoulli equation ) on a roof having an area of 2 4 7 m 2 ? Note that the typical air density in Boulder is 1 . 1 4 kg / m 3 , and the corresponding

A proton gun shoots a proton straight up away from the surface of the earth at a speed of 5 . 0 1 0 7 m / s into a 0 . 2 0 T uniform magnetic field that points north. What is the magnitude and direction of the magnetic force on the proton the moment it enters this magnetic field?

A block moves in simple harmonic motion with a frequency of 1 . 4 0 Hz and an amplitude of 3 . 5 0 cm . ( a ) Through what total distance ( in cm ) does the block move during one cycle of its motion? ( b ) What is its maximum speed ( in cm / s ) ?

An intravenous ( IV ) system is supplying saline solution to a patient at the rate of 0 . 1 2 0 cm 3 / s through a needle of radius 0 . 1 5 0 mm and length 2 . 5 0 cm . What pressure is needed at the entrance of the needle to cause this flow, assuming the viscosity of the saline solution to be the same as that of water? The gauge pressure of the

What is the rms speed of N 2 at 2 5 C ? a . 5 1 . 2 m / s b . 1 4 9 m / s c . 2 9 7 m / s d . 4 7 9 m / s e . 5 1 5 m / s

a uniform disk of mass m = 1 . 2 kg and radius R = 9 cm can rotate about an axle through its center.

With a transverse electromagnetic wave, the oscillating electric field, E E , is perpendicular to the oscillating magnetic field, B B . The wave velocity is parallel to the cross product E B E B . The direction of the wave propagation may be determined by using the right - hand rule. Using the flattened right hand, the right - hand rule may be

A certain sound level increases by an additional 2 0 dB . By how much does the intensity increase? The intensity increases by a factor of 2 0 0 . The intensity increases by a factor of 1 0 0 . The intensity increases by a factor of 2 0 . The intensity increases by a factor of 2 . The intensity does not increase.A certain sound level increases by
A certain sound level increases by an additional

what role does friction play in a rotational inertia experiment with a flywheel

How much current is flowing in a wire 4 . 8 0 m long if the maximum force on it is 0 . 5 2 5 N when placed in a uniform 0 . 0 7 5 0 - T field?

Two 5 . 0 - cm - diameter metal disks separated by a 0 . 5 6 - mm - thick piece of Pyrex glass are charged to a potential difference of 1 0 0 0 V . What is the surface charge density on the disk? Express your answer in coulombs per squared meter. What is the surface charge density on the glass? Express your answer in coulombs per squared meter.

A mass m 1 is hung from a spring oscillates on a spring with spring constant k 1 . The amplitude of its motion is A 1 and it has a maximum magnitude acceleration a 1 . If the mass is doubled, the spring constant tripled, and the amplitude quadrupled, what will the new maximum magnitude acceleration be ? A ) 1 3 4 2 a B ) 1 6 a C ) 1 3 8 a D ) 1 8

A 1 5 0 0 - kg car accelerates from 1 0 m / s to 3 0 m / s over a distance of 2 0 0 meters. A constant frictional force of 4 0 0 N opposes the motion of the car throughout its journey. ( a ) [ 1 0 pts ] Determine the total work done by the engine. ( b ) [ 8 pts ] Determine the time taken for the car to travel 2 0 0 meters. ( c ) [ 4 pts ] Find the

You are pulling a child in a wagon at a constant velocity. The handle is inclined upward at 4 0 . The tension in the hand is 4 6 N . You pull for a displacement of 3 2 m . Calculate the work done by the force of tension. Answer in units of Joules to two decimal places. Type your answer...
You are pulling a child in a wagon at a constant

An automobile with a mass of 1 0 0 0 kg is driven up hill where the slope is 3

Gauge Pressure? Pressure due to the atmosphere. Force per unit area exerted by the molecules of the fluid. Pressure variation with depth. Pressure relative to the atmospheric pressure. Atmospheric pressure minus the pressure reading.

A series RLC circuit consists of a 5 4 . 0 resistor, a 3 . 8 0 mH inductor, and a 5 4 0 nF capacitor. It is connected to a 3 . 0 kHz oscillator with a peak voltage of 5 . 2 0 V . What is the instantaneous emf EE when ii = I = I? What is the instantaneous emf EE when ii = 0 A = 0 A and is decreasing? What is the instantaneous emf EE when ii = I = I

You are studying the effect of temperature on the dimensions of a blood vessel in the heart of someone with a fever. Assume the blood vessel expands uniformly. It has a linear coefficient of thermal expansion of = 1 . 5 1 0 5 / C . It has a volume coefficient of thermal expansion of = 3 . 5 1 0 5 / C . a ) [ 4 points ] A normal human body

An electron travelling parallel to a uniform electric field increases its speed from 2 . 0 1 0 7 m / s 2 . 0 1 0 7 m / s to 4 . 0 1 0 7 m / s 4 . 0 1 0 7 m / s over a distance of 1 . 8 cmcm . Part A What is the electric field strength? Express your answer with the appropriate units. View Available Hint ( s ) for Part A Activate to select the

Cloud Strife s Buster Sword, from Final Fantasy VII, is a sword with a blade that is 1 . 3 2 long at room temperature ( 2 0 . 0 C ) . With the right ability ( aka materia ) you can imbue the Buster Sword with fire, which will increase its temperature to 2 4 0 C . A ) How much longer is the blade when it is heated? Assume the sword is steel and the

Starting from rest, the final speed of a fire extinguisher - toy wagon rocket experiment is 1 0 . 5 m / s . The total mass is initially 3 5 . 5 kg and is 2 9 . 5 kg after the extinguisher is fired.

How many ( a ) megajoules in 1 exajoule; ( b ) petagrams in 1 gigatonne ( 1 tonne = 1 , 0 0 0 kg ) ; ( c ) kilowatt - hours in 1 gigawatt - hour?

The figure shows 5 loops in different magnetic fields. The relative lengths of each edge of the loop and the strength of the magnetic field are shown. Part A The relative magnetic fluxes i are: 1 = 4 = 5 > 3 = 2 1 = 4 > 3 = 2 = 5 1 > 3 > 4 = 5 > 2 Request Answer
The figure shows 5 loops in different magnetic

A student writes the beta decay of carbon - 1 4 as follows: ? 7 1 4 C ? 8 1 4 O + - Four of her classmates pointed out that the equation is incorrect for the following reasons: Classmate A: There is a missing decay particle. Classmate B: The daughter nucleus is incorrectly identified. Classmate C: The parent nucleus has an incorrect number of
A student writes the beta decay of carbon - 1 4

determine ( with a constant length planet and angle ) how changing the mass hanging on the string changes the motion of the string

Suppose that a guitar string has a length of 0 . 6 4 m , a mass of 4 . 3 g ( 0 . 0 0 4 3 kg ) , and a tension of 7 5 . 6 N . a . What is the mass per unit of length of this string?b . What is the speed of a wave on this string?

2 . Study the circuit on the right. V = 1 2 V , R = 1 0 0 0 2 , L = 1 0 mH . a . What is the current through the switch, S , the moment the switch is first closed? What is the current through the switch, S , after the switch has been closed for a long time? What is the current through the switch, S , 5 0 us after the switch is closed?

What is the magnification of a lens if it makes an object that is 1 0 mm high appear to be 1 5 0 mm high?

Question 5 . A bowling ball of mass M and radius R rolls at speed v on a flat horizontal surface with friction coefficient \ ( \ mu _ { K } \ ) , towards a spring of spring constant k that is un - stretched. Before the ball strikes the massless plate on the spring the surface on which it rolls becomes icy and frictionless. There is no friction
Question 5 . A bowling ball of mass M and radius

Problem I: An RL Circuit. A real coil with a 2 . 0 - resistance and 1 0 0 . m H inductance is connected in series to a 8 . 0 resistor. This resistor and inductor are connected in series with a real battery with an internal resistance of 0 . 5 0 such that at a given time t 0 , the current is 5 . 0 0 A and it is increasing at a rate of 1 0 . 0 A s .
Problem I: An RL Circuit. A real coil with a 2 .

# 4 - What is the radius of a hydrogen atom when the electron is in the first excited state?
# 4 - What is the radius of a hydrogen atom when

Question 1 6 1 pts Mass A is 5 kg . Mass B is 6 kg . These masses are located in deep space. Mass B is positioned at a displacement of ( 4 i + 3 j + 1 k ) m from mass A . Which is the correct expression for the gravitational vector force experienced by mass B . F g = - 3 0 G 2 6 ( 4 i + 3 j + 1 k 2 6 2 ) N F g = + 3 0 G 2 6 ( 4 1 + 3 j + 1 k 2 6 2
Question 1 6 1 pts Mass A is 5 kg . Mass B is 6

Spectral lines seen in the solar spectrum are due to q , View Available Hint ( s ) temperature differences absorption energy differences frequency differences
Spectral lines seen in the solar spectrum are due

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