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Physics

03/29/23

Phy Review Question Motion

A mass M is suspended from a spring and oscillates with a period of 0.960 s. Each complete oscillation results in an amplitude reduction of a factor of 0.965 due to a small velocity dependent... more

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Physics

03/29/23

A rectangular metal plate measures 0.14 m long and 0.3 m wide. The plate is heated to a temperature of 1,333 K by passing a current through it. Assuming that it behaves like a blackbody, how much... more

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Physics

03/29/23

A solid conducting sphere, having a radius a and surface charge density of o, is located inside a hollow conducting shell of radius b.

A solid conducting sphere, having a radius a and surface charge density of o, is located inside a hollow conducting shell of radius b.a) Use Gauss's law to show that the magnitude of the electric... more

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Physics

03/29/23

Capacitors And potential difference

Two capacitors, C1 = 24.0 𝜇F and C2 = 33.0 𝜇F, are connected in series, and a 24.0-V battery is connected across them.(a) Find the equivalent capacitance, and the energy contained in this... more

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Physics Math Algebra 1 Algebra 2

03/29/23

A 0.200-kg object is attached to a horizontal, light spring that has a force constant of 75.0 N/m...

A 0.200-kg object is attached to a horizontal, light spring that has a force constant of 75.0 N/m. The object is pulled 8.00 cm to the right of equilibrium and released from rest to slide on a... more

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Physics

03/28/23

Calculate the final velocity right after a 112 kg rugby player who is initially running at 7.95 m/s collides

Calculate the final velocity right after a 112 kg rugby player who is initially running at 7.95 m/s collides head‑on with a padded goalpost and experiences a backward force... more

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Physics

03/28/23

The only force acting on a 2.20-kg body as it moves along a positive x axis has an x component Fx = -4.40x N, with x in meters. The velocity at x = 7.60 m is 8.59 m/s.

The only force acting on a 2.20-kg body as it moves along a positive x-axis has an x component Fx = -4.40x N, with x in meters. The velocity at x = 7.60 m is 8.59 m/s.(a) What is the velocity of... more

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Physics

03/28/23

Two manned satellites approach one another at a relative velocity of 𝑣=0.210 m/s intending to dock. The first has a mass of 𝑚1=4000 and the second a mass of 𝑚2=7500. If the two satellites collide

Two manned satellites approach one another at a relative velocity of 𝑣=0.210 m/s intending to dock. The first has a mass of 𝑚1=4000 and the second a mass of 𝑚2=7500. If the two satellites collide... more

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Physics

03/28/23

Car A weighs 1515 lb and was traveling eastward. Car B weighs 1125 lb and was traveling westward at 41.0 mph. The cars locked bumpers and slid eastward with their wheels locked for 18.5 ft...

You have been called to testify as an expert witness in a trial involving a head-on collision. Car A weighs 1515 lb and was traveling eastward. Car B weighs 1125 lb and was traveling westward... more

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Physics

03/28/23

wheel wit low friction bearing takes 1.0 h to stop after the motor power is turned off. The flywheel was originally rotating at 5.5 rad/s. How many revolutions does the flywheel make before it stops?

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Physics

03/28/23

A bullet with a mass 𝑚b=13.5 g is fired into a block of wood at velocity 𝑣b=245 m/s. The block is attached to a spring that has a spring constant 𝑘 of 205 N/m.205 The block and bullet continue to

A bullet with a mass 𝑚b=13.5 g is fired into a block of wood at velocity 𝑣b=245 m/s. The block is attached to a spring that has a spring constant 𝑘 of 205 N/m.205 The block and bullet continue to... more

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Physics

03/28/23

The overall length of a piccolo is 27.0 cm. The resonating air column is open at both ends.

(a) Find the frequency of the lowest note a piccolo can sound. (Assume that the speed of sound in air is 343 m/s.)(b) Opening holes in the side of a piccolo effectively shortens the length of the... more

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Physics

03/28/23

The two top waves are played at the same time, the bottom image shows the resulting wave pattern.

What does this bottom wave represent? (choose all that apply) Destructive Interference Constructive Interference Doppler Effect Beats Timbre

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Physics

03/28/23

If you blow across the open end of a soda bottle and produce a tone of 250 Hz, what will be the frequency of the next harmonic heard if you blow much harder?

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Physics

03/28/23

A pipe that is open at both ends has a fundamental frequency of 320 Hz when the speed of sound in air is 331 m/s.

(a) What is the length of this pipe?(b) What are the next two harmonics?(c) What is the fundamental frequency of this pipe when the speed of sound in air is increased to 370 m/s due to a rise in... more

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Physics

03/28/23

A pipe that is open at both ends has a fundamental frequency of 320 Hz when the speed of sound in air is 331 m/s.

(a) What is the length of this pipe?(b) What are the next two harmonics?(c) What is the fundamental frequency of this pipe when the speed of sound in air is increased to 370 m/s due to a rise in... more

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Physics

03/28/23

What are the first three harmonics of a note produced on a 32.0 cm long violin string if waves on this string have a speed of 280.0 m/s?

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Physics

03/28/23

A fire engine is moving at 40 m/s and sounding its horn. A car in front of the fire engine is moving at 30 m/s, and a van in front of the car is stationary

Which observer hears the fire engine's horn at a higher pitch, the driver of the car or the driver of the van? Both hear the same pitch. The driver of the car hears the higher pitch. The... more

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Physics

03/28/23

If the wavelength of a sound source is reduced by a factor of 2, what happens to the wave's frequency? What happens to its speed?

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Physics

03/28/23

The range of human hearing extends from approximately 20 Hz to 20000 Hz. Find the wavelengths of these extremes when the speed of sound in air is equal to 330 m/s.

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Physics

03/27/23

A mass of 50 g is attached to a spring and undergoes simple harmonic motion. ts maximum acceleration is 15 m/s^2 and its maximum speed is 3.5 m/s. Determine:

A mass of 50 g is attached to a spring and undergoes simple harmonic motion. ts maximum acceleration is 15 m/s^2 and its maximum speed is 3.5 m/s. Determine:a) Angular frequencyb)Spring constantc)... more

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Physics

03/27/23

Write expression for simple harmonic motion with amplitude of 2.5 cm, angular frequency 5 l/s and maximum velocity at t = 0.

Write expression for simple harmonic motion with amplitude of 2.5 cm, angular frequency 5 l/s andmaximum velocity at t = 0.

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Physics

03/27/23

What quantity of heat is required to raise the temperature of 450 grams of water from 15°C to 85°c? The specific heat capacity of water is 4.18 J/g/°C

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Physics

03/27/23

One mole of an ideal gas does 3000 J of work

1. One mole of an ideal gas does 3000 J of work on its surroundings as it expands isothermally to a final pressure of 1 atm and volume of 25 L. Determine(a) the initial volume and(b) the... more

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Physics

03/27/23

A 47kΩ resistor and 39 kΩ resistor are in parallel

A 47kΩ resistor and 39 kΩ resistor are in parallel, and the pair in series with a 22 kΩ resistor. What isthe resistance of the combination?

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Phy Review Question Motion

Physics EM Waves

A solid conducting sphere, having a radius a and surface charge density of o, is located inside a hollow conducting shell of radius b.

Capacitors And potential difference

A 0.200-kg object is attached to a horizontal, light spring that has a force constant of 75.0 N/m...

Calculate the final velocity right after a 112 kg rugby player who is initially running at 7.95 m/s collides

The only force acting on a 2.20-kg body as it moves along a positive x axis has an x component Fx = -4.40x N, with x in meters. The velocity at x = 7.60 m is 8.59 m/s.

Two manned satellites approach one another at a relative velocity of 𝑣=0.210 m/s intending to dock. The first has a mass of 𝑚1=4000 and the second a mass of 𝑚2=7500. If the two satellites collide

Car A weighs 1515 lb and was traveling eastward. Car B weighs 1125 lb and was traveling westward at 41.0 mph. The cars locked bumpers and slid eastward with their wheels locked for 18.5 ft...

wheel wit low friction bearing takes 1.0 h to stop after the motor power is turned off. The flywheel was originally rotating at 5.5 rad/s. How many revolutions does the flywheel make before it stops?

A bullet with a mass 𝑚b=13.5 g is fired into a block of wood at velocity 𝑣b=245 m/s. The block is attached to a spring that has a spring constant 𝑘 of 205 N/m.205 The block and bullet continue to

The overall length of a piccolo is 27.0 cm. The resonating air column is open at both ends.

The two top waves are played at the same time, the bottom image shows the resulting wave pattern.

If you blow across the open end of a soda bottle and produce a tone of 250 Hz, what will be the frequency of the next harmonic heard if you blow much harder?

A pipe that is open at both ends has a fundamental frequency of 320 Hz when the speed of sound in air is 331 m/s.

A pipe that is open at both ends has a fundamental frequency of 320 Hz when the speed of sound in air is 331 m/s.

What are the first three harmonics of a note produced on a 32.0 cm long violin string if waves on this string have a speed of 280.0 m/s?

A fire engine is moving at 40 m/s and sounding its horn. A car in front of the fire engine is moving at 30 m/s, and a van in front of the car is stationary

If the wavelength of a sound source is reduced by a factor of 2, what happens to the wave's frequency? What happens to its speed?

The range of human hearing extends from approximately 20 Hz to 20000 Hz. Find the wavelengths of these extremes when the speed of sound in air is equal to 330 m/s.

A mass of 50 g is attached to a spring and undergoes simple harmonic motion. ts maximum acceleration is 15 m/s^2 and its maximum speed is 3.5 m/s. Determine:

Write expression for simple harmonic motion with amplitude of 2.5 cm, angular frequency 5 l/s and maximum velocity at t = 0.

What quantity of heat is required to raise the temperature of 450 grams of water from 15°C to 85°c? The specific heat capacity of water is 4.18 J/g/°C

One mole of an ideal gas does 3000 J of work

A 47kΩ resistor and 39 kΩ resistor are in parallel

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