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Physics Questions and Answers December 04, 2019

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Un bloque es lanzado sobre una superficie horizontal rugosa tal y como se muestra cuamto recorre hasta detenerse

Each of the following is a measurable dimensional quantity except ________. Group of answer choices repeatability temporal extent temporal locus topography

Newton's second law of motion is _____. Multiple choice question. F = m/a p = m v a = F/m p = m/v

Student Exploration: Free Fall Tower Vocabulary: accelerate, air resistance, free fall, gravity, terminal velocity, vacuum Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Patty climbs a tree. While sitting on a branch, she drops a leaf and an acorn at the same time. What would happen?

Frank drops a ball from a second story window. Each time the ball bounces, the height reached is 3 inches less than on the previous bounce. If the first bounce reaches a height of 6 feet, find the height attained on the ninth bounce. Question content area bottom Part 1 The ninth bounce reaches the height of enter your response here feet. (Type an

During acceleration, all rear wheel drive suspensions tend to__________. Question 20 options: 1) Shift to the left 2) Shift to the right 3) Squat 4) Raise

Which of the following statements is true in the case of a collision? A. Increased impact time will increase the impact force. B. Reduced impact velocity will increase the impact force. C. Reduced impact mass will increase the impact force. D. Reduced impact time will increase the impact force

Chapter 9Linear Momentum and CollisionsMULTIPLE CHOICE 1.A 2 000-kg truck traveling at a speed of 6.0 m/s makes a 90turn in a time of 4.0 s and emerges from this turn with a speed of 4.0 m/s. What is the magnitude of the average resultant force on the truck during this turn?a.4.0 kNb.5.0 kNc.3.6 kNd.6.4 kNe.0.67 kN

What is one aspect of gamma ray bursts that we discussed in class? A) The longest recorded burst, GRB 250702B, lasted approximately 7 hours B) By merely knowing that they occur at random locations in the sky, we can figure out that they must generally be coming from billions of light years away. C) By merely knowing that they occur at random

Fill in the blanks On October 1, 2025, Concord, Inc. assigns $1,263,100 of its accounts receivable to Marigold National Bank as collateral for a $718,300 note. The bank assesses a finance charge of 3% of the receivables assigned and interest on the note of 9%. Prepare the October 1 journal entries for both Concord and Marigold. (If no entry is
Fill in the blanks On October 1, 2025, Concord,

Is this a good answer for 7, In the debate between Lawrence and Paula, Paula is correct. While an object is stationary it can still have forces acting on it. For example, these forces can be equal in magnitude but opposite in direction. Let's look at a cup of water sitting on a table, gravity is pulling it down and the table is pushing upwards.

A distant palm tree on a hot dry day that often appears to be reflected from water is due to light refracted upward as it grazes the hot surface. evidence that light travels in straight lines. the inverse of a mirage

Problem 6: Square well plus hard wall Consider a particle of mass m moving in a finite well where one side is a hard wall. Take Vo 0 +00 z
Problem 6: Square well plus hard wall Consider a

An object's momentum may change because of a change in _____. mass velocity neither of these 2) Choose the best answer. Acceleration is the rate at which change in _____ occurs and may be positive or negative. angular movement mass velocity force 3) Choose the best answer. Principia stated Newton's three laws of motion and was published in _____.

A loop of wire is stationary in a constant magnetic field. What is the induced emf? Group of answer choices Zero Depends on the loop's orientation only Equal to the loop's area Depends on the wire resistance

A rectangular conducting loop of width w=0.2 m and length L=0.4 m lies in the xy-plane. A uniform magnetic field is given by the following expression: where B0=0.8 T. At the same time, the loop is pulled to the right with constant speed: v=3m/s Question 1: What is the induced emf due to the time-varying magnetic field

ok, now, let's find the maximum kinetic energy of the electrons

The light rays emitted from the end of the cable when detached from the telescope are ___________

How do I fill this chart out? I am using the pHet energy forms and changes simulation Directions: Reset the simulation. Place a thermometer on the iron block and the water. Next, place the iron block on the heater. Drop the iron block in the water. Record the data below. Type of Material: Type of Heat Transfer: Temperature After on : Gaining
How do I fill this chart out? I am using the pHet

6. a roller coaster car rapidly picks up speed as it rolls

Determine the value of a so that A=2i^+aj^+k^ and B=4i^-2j^-2k^ are perpendicular Question 2Answer a. 3 b. 5 c. 4 d. 2

When you increase the voltage in a circuit while keeping the resistance constant, what happens to the current? Option A It becomes zero. Option B It stays the same. Option C It decreases. Option D It increases

Child A was engaged in play with a set of colorful magnets on a magnetic board. When the educator encouraged him to stack the magnets on the board, he did so with a wide smile. He experimented by stacking magnets, showing curiosity about how they interacted with each other. pedagogycal practices that aligns to the observation and what should the

What is the relationship of Win to the work W done by the system? Express Win in terms of W and other quantities given in the introduction. View Available Hint(s)for Part A Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to
What is the relationship of Win to the work W

The light source control panel is used to adjust the modes. true false

Electrons are found at a large distance away from the nucleus, spinning around the nucleus in a series of energy shells at varying distances from the nucleus. One or more energy shells, surrounding the nucleus, contain electrons revolving at high speeds. Electrons are only held in place outside of the nucleus due to something called the

tell me Function Q gives a puppy's weight in pounds as a function of its age in months Explain the meaning of this statement: Q (10) = 18 O a Ob O c O d
tell me Function Q gives a puppy's weight in

A wooden cylinder of length L and diameter L/2 is floating on water with its axis vertical. Discuss the metacentric height if the specific gravity of wood is 0.6

True or false a nonmeter is longer than a micrometer

Far in space, where gravity is negligible, a 465 kg rocket traveling at 95.0 m/s in the positive x-direction fires its engines. The figure (Figure 1)shows the thrust force as a function of time. The mass lost by the rocket during these 30.0 s is negligible. Figure1 of 1 The plot shows the x component of the thrust force as a function of time. Time
Far in space, where gravity is negligible, a 465

What is the mass of a stone moving at a speed of 15 meters/second and having a momentum of 7.5 kilogrammeters/second? A. 0.5 kilograms B. 1.5 kilograms C. 11 kilograms D. 1.1 102 kilograms

___________ is a radio beacon with no direction information encoded. Group of answer choices VOR NDB DME ILS

find the outward flux of F over dQ. Q is bounded by y^2 + z^2 =4, x=1 and x=8-y, F=

What is the momentum of a 35-kilogram cart moving at a speed of 1.2 meters/second? A. 42 kilogrammeters/second B. 70 kilogrammeters/second C. 4.2 102 kilogrammeters/second D. 7.0 102 kilogrammeters/second

Use ONE word to complete the following statement: In a sample of a gas, the volume of the gas particles themselves is very Answer Question 4 compared to the volume of the sample

Carry only two 8 1 2 " 11" formula sheets (two-sided) and a pencil or a pen with you. The exam is closed-book, closed-note. No electronic device of any kind is allowed

During which geologic period did the Rockies begin to form along western North America? Question 8 options: a) Cretaceous b) Paleozoic c) Tertiary d) Archean Question 9 (5 points) Listen The geologic principle that states that sediments are initially deposited in a horizontal manner is the: Question 9 options: a) Principle of Superposition b)

If r1=x1i^+y1j^+z1k^ and r2=x2i^+y2j^+z2k^, evaluate r1-r2 Question 4Answer a. (x1-x2)i^-(y1-y2)j^- (z1-z2)k^ b. (x1-x2)i^+(y1-y2)j^+(z1-z2)k^ c. (x1x2)i^+(y1y2)j^+(z1z2)k^ d. (x1+x2)i^+(y1+y2)j^+(z1+z2)k^

J FLAG A 22-year-old client is hard to awake after taking diazepam by mouth. It is suspected she overdosed on the medication. What are two (2) measure the nurse anticipates will take place to address the acute toxicity with diazepam. O Enter your answer (1000 characters remaining)
J FLAG A 22-year-old client is hard to awake

Which, if any, of the heat engines violate(s) the second law of thermodynamics? Check all that apply. (a) (b) (c) None of the above

Think about what would happen if you added up all these waves! Use the simulation to select 2 slits, 5 slits, 10 slits, and any other that you wish to explore. Notice how the pattern itself has the same major bright fringes. What does using more slits do to the pattern

Identify a current problem in physics by searching for news articles and current events. One reputable source of news in physics is Phys.org . Choose one article, and in two pages, describe how the scientific method is being used to solve the problem mentioned in the article. Identify the initial observations that identified the problem, the

Location of the answer, top bottom left right This question is based on the following quotation: " He was walking home from work on the night he was struck by the car." Choose the altered quotation that is formatted correctly for formal legal writing. \"The defendant] was walking home from work on the "Ithe defendant] was walking home from work on
Location of the answer, top bottom left right

f a tuning fork is held over an enclosed air column, whose length is adjustable, the sound wave generated by the tuning fork will be amplified at a resonance point. A plunger is used to vary the length of the column. The bottom of the air column, at the top of the plunger, is the closed end of the tube and thus a node for a standing wave. The open

The type of light source used for the procedure is dependent on the camera system being used. True False

Each transistor in a class B amplifier: Group of answer choices conducts through less than 180 of the input waveform conducts between 180 and 360 degrees of the input waveform, depending on the amount of dc bias conducts through 360 of the input waveform conducts through 180 of the input waveform

Calculate the temperature in degrees Fahrenheit of each of the following. 0C

6-42. The boat is powered by the fan, which develops a slipstream having a diameter of 1.25 m. If the fan ejects air with a velocity of 40 m/s, measured relative to the boat, and the boat is traveling with a velocity of 8 m/s, determine the force the fan exerts on the boat. Assume that the air has a constant density of p, = 1.22 kg/m? and that the
6-42. The boat is powered by the fan, which

If she releases the brakes and coasts with no friction/air resistance, the farthest point she can reach without pedaling is to the same height as her starting point Ai.e., a point on the right side between E and F that is level with A. is weong

how to analyze the translational simple harmonic motoin data for three trials

1 horsepower A. 746 W B. 100 W C. 500 W D. 1000 W note do not answer otherwise dislike

A spring is stretched from x=0 to x=d , where x=0 is the equilibrium position of the spring. It is then compressed from x=0 to x=d . What can be said about the energy required to stretch or compress the spring? View Available Hint(s)for Part B More energy is required to stretch the spring than to compress it. The same amount of energy is required

How much work will a machine with a power rating of 1.1 103 watts do in 2.0 hours? A. 1.5 106 joules B. 2.1 106 joules C. 4.0 106 joules D. 7.9 106 joules

Iron is a magnetic material, but an iron nail does not behave like a magnet because Multiple choice question. the atoms in the iron exert a force on all the other atoms. its magnetic domains are aligned. it contains too few magnetic domains. its magnetic domains are arranged randomly.

Consider an AC amplifier operating at a Q-point of 3.3 mA and 6.8 V. The power dissipated by this transistor is Group of answer choices 3.5 Mw 22 mW 0.485 mW -3.5 mW

To practice Problem-Solving Strategy 11.1 Energy efficiency problems. Suppose that you have left a 200-mL cup of coffee sitting until it has cooled to 30C , which you find totally unacceptable. Your microwave oven draws 1100 W of electrical power when it is running. If it takes 45 s for this microwave oven to raise the temperature of the coffee to

Examples of physical properties are ____. Option A specific heat Option B tensile strength Option C weight Option D Both A and C Option E None of the above

what is EIRP in satellites? and why is it important

Would you expect light to bend more in a material with a large index of refraction or in a material with a small index of refraction? Give your answer as a CER. (Can't remember CER? See hint). To answer this, you may use the table and graph below if you like. Copy your data from above into the table. Then, alter the data in order to test out ideas

What is the restoring force of a spring stretched 0.35 meters with a spring constant of 55 newtons/meter? A. 91 newtons B. 63 newtons C. -35 newtons D. -19 newtons What is the restoring force of a spring stretched 0.35 meters with a spring constant of 55 newtons/meter? A. 91 newtons B. 63 newtons C. -35 newtons D. -19 newtons

In Washington State, there is a rainforest on the western slopes of the mountains. Determine the direction the warm ocean air is moving. Relate your answer to why there is so much rain there

The table contains data obtained during the single-slit microwave experiment with a slit width of 7 cm and a wavelength of 2.8 cm. To compare data like this with theory in Sec. 8.5, you will have to normalize both the intensity and the angular data. What is the normalized intensity I/I0 at 40? 52a83.gif Group of answer choices .05 .5 1.2 1.1 \f

_________ is a short-range (up to c. 200 NM) navigation device that transmits signals allowing the aircraft receiver to calculate a bearing ("radial") to the beacon.

1. What is the bypass ratio of a turbofan engine that uses standard fuel and has (a) fan pressure ratio of 1.6 (b) fan efficiency of 85% (c) compressor power, PC=2000 kW (d) turbine power, PT=5000 kW (e) mass flow rate of gases, mg=20 kg/s (f) excess air, = 3 (g) inlet pressure, p01=1 bar (h) inlet temperature T01=288 K You should know that the

As the lab is virtual, we will use the circuit simulator from PhET. Discussion Questions 1. Current in a closed circuit must be conserved. That is, there are a fixed number of moving charges, and all charges entering a given region must also leave. Based on this rule, write a general statement about the amount of current flowing through each

Find Qh , the heat pumped out by the ideal heat pump. Express Qh in terms of Qc and Win . View Available Hint(s)for Part B Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? View Available Hint(s)for Part A positive negative zero \f

On which of the following does the moment of inertia of an object depend? Check all that apply. linear speed linear acceleration angular speed angular acceleration total mass shape and density of the object location of the axis of rotation \f

Calculate the number of daylight hours at a latitude of 50 N when the solar declination angle is at its minimum and maximum values on Dec 21 and Jun 21, respectively: = 23.5. What is the minimum value of the zenith angle on each of these dates

If a male speaker has a fundamental frequency of 120 Hz, what would be his third harmonic? 240 Hz 360 Hz 480 Hz 60 Hz depends on the vowel

In a circuit, if the current through a resistor is doubled while maintaining the resistance constant, what happens to the power consumed by the resistor? Option A It quadruples Option B It remains the same Option C It halves Option D It doubles

What makes one object float and another sink? If an object floats, how high above the water surface will it rise? In this lab, you will answer these questions by investigating the relationship between density and buoyancy. Lesson Objectives Explain the relationship between density and buoyancy. Solve a problem using the scientific method. PREPARE

In terms of this model, what is her moment of inertia in the pike position? Express your answer with the appropriate units. Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following

Scientists did prove that these long-period transients are pulsars, what could they find out about how they get their energy by studying them

9.17. Figure P9.17 shows a cast iron frame with a U-shaped cross section. The ultimate tensile strength of the cast iron is u = 320 MPa. Determine the maximum value of P based on a factor of safety SF = 4.00, which is based on the ultimate strength. Neglecting the effect of stress concentrations at the fillet at the junction of the web and flange,

once i have a plot of temperature vs time, what should my next plot be in order to acquire the time constant

Use the object distance d_(o,1) (relative to the concave lens) and the virtual image distance d_(i,1) to determine the focal length of the concave lens. Hint use the lens equation to find f_lens, and remember that concave lens has a negative focal length. (3 points)

A thin, light wire is wrapped around the rim of a wheel, as shown in the figure. The wheel rotates about a stationary horizontal axle that passes through the center of the wheel. The wheel has radius 0.190 m and moment of inertia for rotation about the axle of 0.490 kgm2. A small block with mass 0.340 kg is suspended from the free end of the wire.

In an experiment, students are to calculate the spring constant k of a vertical spring in a small jumping toy that initially rests on a table. When the spring in the toy is compressed a distance x from its uncompressed length L0 and the toy is released, the top of the toy rises to a maximum height h above the point of maximum compression. The

Is the pattern on the screen the s e to diffraction from a single slit of same width

sketch a graph of the parametric surface. x= u cos v, y= u sin v, z= 2 cos u

Description of Air Movement at Fronts A front is where two air masses meet. Warm air is less dense than cold air. If warm air and cold air move toward each other, what will happen? (Warm air will rise above cold air. / Cold air will rise above warm air.) Redraw the diagrams below in your composition book. For each front below, draw a short arrow /

With reference to electrostatic precipitators (ESP) particle resistivity is affected by: (Check all that apply) Group of answer choices composition voltage temperature sulfur in flue gas humidity

Activity #1: Balancing yourself The first activity will help us better understand our own sense of balance and center of mass. First, stand up straight in the center of the room with nothing around you, or have a lab assistance do this. Next bend at the waist and touch your toes, or ankles if you are not quite as flexible as you used to be. Do not

find the mass and center of mass of the object corresponding to the given surface and mass density. The portion of the plane x + 2y + z= 4 above the region bounded by y=x^2 and y=1, p(x, y, z)= y

Find the moment of inertia Ia,x of particle a with respect to the x axis (that is, if the x axis is the axis of rotation). Express your answer in terms of m and r . Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the

The Correspondence Principle states that descriptions of light interacting with matter in the more general wave model should agree with those in the less general ray model. Question 5Select one: a. True b. False

2 What light type is omni-directional, and helps draw attention to a focal point? Choose one 1 point Ambient Light Directional Light Spot Light Point Light

3 What is positive space in art? A objects that take up space in an image B objects that are at the bottom of the page C objects that show empty space D objects that are in the

is this right, Total force 1.81 N =51 degrees Find the horizontal component Fx=1.81 x cos Fx=1.81 x cos (51) Fx=1.81 x 0.6293 Fx=1.14 N Find the vertical component Fy=1.81 x sin Fy=1.81 x sin 51 Fy=1.81 x 0.7771 Fy=1.41 N The horizontal component is 1.14 N and the vertical component is 1.41 N

v_max = A = (3/)(/3) = 1.0 m/s. a_max = A ^2 = (3/)(/3)^2 = /3 1.047 m/s. why

What is the advantage of this parabolic design? A. The light from the bulb will reflect off the parabolic reflector so that the light is parallel to the axis of symmetry. This means that the light from the bulb will be focused in a straight line from the end of the light reflector, making it a better tool. B. There is no advantage to this design.

The Pleiades Cluster (below) shows a circular 'halo' effect, along with a 'cross-shape', around its stars, which is often seen in astronomical photos. What is it? Question 9Select one: a. This pattern happens only with very bright stars, which overwhelm the telescope's camera. b. Diffraction pattern of star light entering the telescope tube, which

is this right BAND MUSICIAN MusicianID # * BandID #* FirstName * BandName * LastName * BandHourlyRate * Address * Phone * HourlyRate A BAND must have one or more MUSICIANS. A MUSICIAN may belong to zero or one BAND

Light from a distant point source is incident on a narrow slit. The graphs show the intensity on a distant screen as a function of . The only difference among the three cases is the width of the slit. The vertical scale has been normalized so that the maximum intensity is the same for all three cases. Which curve is produced by the smallest slit?

According to modern physics,? Group of answer choices objects cannot change or move unless acted upon by outside forces. time unquestionably moves in one direction. change is continuous. an integrated field approach is necessary to understand phenomenon

The "Week 7 Challenge Homework" Stage 1: 1D Conservation of Momentum This stage focuses on an event (usually a collision or an explosion) that happens over a very short time interval, allowing the assumption that external forces are negligible compared to the internal forces of the interaction. The total momentum of the system is conserved

At some point, humans will launch to Mars. Will their communications go through satellites orbiting earth or directly to a ground station? And approximately how long would it take for the signal to make a round trip

2 Select the correct answer. Which statement best describes the adiabatic process? A. In an adiabatic process, no heat enters or leaves the system. B. In an adiabatic process, the system does no work nor is work done on it. C. In an adiabatic process, the temperature of the system remains constant. D. In an adiabatic process, the pressure of the

Why are taller towers generally preferred in wind energy applications? Option A They require less maintenance. Option B They capture stronger, less turbulent winds. Option C They are easier to transport. Option D They are cheaper to install

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