AP (Advanced Placement) Physics(B-C): Questions 403 - 405 of 921

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Question number: 403

» Periodic Motion, Mechanical Waves & Sound

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MCQ▾

Question

Which of the following best describes ultrasonic?

Choices

Choice (5)Response

a.

Cyclic pressure in a medium with a frequency lower than

b.

Supersonic pressure oscillations in a medium

c.

Sound with a frequency higher than

d.

Sound that cannot be perceived by humans, due to differences in physical properties

e.

All of the above

Question number: 404

» Linear Momentum

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MCQ▾

Question

Two carts are in contact with each other, with springs loaded, on an elevated section of track, as in the illustration.

Two carts are connected with spring

Two Carts Are Connected with Spring

If cart has twice the mass of cart , then when the spring is released:

Choices

Choice (5)Response

a.

cart moves horizontally with greater velocity than cart and both the carts hit the ground at the same time

b.

cart moves horizontally with greater velocity than cart and hits the ground first

c.

cart moves horizontally with less velocity than cart and hits the ground first

d.

cart moves horizontally with greater velocity than cart and hits the ground first

e.

None of the above

Question number: 405

» Thermodynamics

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MCQ▾

Question

A thermodynamic cycle for one mole of an ideal gas, is described by diagram of the Pressure as a Function of Volume. Determine the thermal energy lost or gained by the system during one complete cycle, .

Pressure (in kPa) vs Volume (in meter cube)

Pressure (In kPa) vs Volume (In Meter Cube)

Choices

Choice (5)Response

a.

added to the gas

b.

added to the gas

c.

lost by the gas

d.

added to the gas

e.

All of the above

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