Physics AP Practice 1

What type of waves travel in a perpendicular direction?

• Longitudinal Waves
• Mechanical Waves
• Transverse Waves
• Compression Waves

When waves reflect the angle of incidence equals the angle of:

• Reflection
• Wave fronts
• Direction
• Amplitude

A rope is attached to the wall at a fixed point. When a wave is reflected what happens?

• The crest and trough is inverted
• There is no change
• The amplitude increases
• The reflection is smaller and the amplitude decreases

The antinode is also the:

• Node number
• Crest
• Harmonic number
• Hertz amount

The speed of a sound wave is affected mainly by the:

• Loudness of the sound wave
• Pitch of the sound wave
• Properties of the medium
• Intensity of the sound wave

Pitch is lowered when:

• Wavelength is increased
• The period is shorter
• Wavelength is increased
• The sound is louder

If the frequency of sound wave is doubled, the wavelength:

• halves and the speed remains unchanged.
• doubles and the speed remains unchanged.
• halves and the speed halves.
• doubles and the speed doubles.

As sound travels from steel into air, both its speed and its:

• wavelength increase
• wavelength decrease
• frequency increase
• frequency remain unchanged

If an object is resting on earth’s surface is the earth doing any work? Why?

• Yes, because a force is exerted due to gravity, and natural force pushes upward.
• No, because the object doesn't move
• Yes, because the gravitational constant is so large that despite not moving they are still growing significantly closer. Enough that substantial work is calculated.
• No, the earth is incapable of work because of its large size

What approach is used to solve a problem on how much work an archer does pulling a bowstring back uniformly, if you know the mass, distance, and forces?

• Kinematics
• Momentum
• Work-Energy Theorem (WNC=(KE) + (PE))
• Work (W=Fx)