Physics Pre-Test

The following graph models the motion of a hiker.

Which segment on the graph represents the hiker’s greatest speed?

• A

• B

• C

• D

The following graph models the motion of a hiker.

What is the hiker’s velocity represented by line segment B (t= 2 - 10 seconds).

• 0.375 m/s

• 0.6 m/s

• 2.67 m/s

• 0 m/s

The following graph models the motion of a car.

What is the car’s acceleration from t = 10 seconds to t = 12 seconds?

• 2 m/s/s

• -2m/s/s

• 4 m/s/s

• -4 m/s/s

Tags

NGSS.HS-PS2-1

The following graph models the motion of a car.

What is the car’s displacement from t = 0-10 seconds?

• 64 meters

• 80 meters

• 72 meters

• 100 meters

In the study of thermodynamics, which statement is true about the ENTROPY?

• Entropy refers to DISORDER, the unusable energy that escapes a system.

• Entropy refers to the balance of temperature among two or more systems.

• Entropy refers to the average kinetic energy of the molecules.

• Entropy refers to the inability to destroy or create energy.

Tags

NGSS.HS-PS3-4

Rank the following samples from greatest kinetic energy of the molecules to least kinetic energy of the molecules:

• A > B > C > D

• B > A > C > D

• B > A > D > C

• D > C > B > A

Tags

NGSS.HS-PS3-2

A tuning fork vibrating in air produces sound waves. These waves are best classified as

• Transverse, because the air molecules are vibrating parallel to the direction of wave motion

• Transverse, because the air molecules are vibrating perpendicular to the direction of wave motion

• Longitudinal, because the air molecules are vibrating parallel to the direction of wave motion

• Longitudinal, because the air molecules are vibrating perpendicular to the direction of wave motion

Suppose a scientist detects an electromagnetic wave with a frequency higher than those of gamma rays. The scientist labels this wave a Z-ray. Which of the following would always be true of a Z-ray?

• A Z-ray would have a lesser amplitude than gamma rays.

• A Z-ray would have a greater amplitude than gamma rays.

• A Z-ray would have a shorter wavelength than gamma rays.

• A Z-ray would have a longer wavelength than gamma rays.

Tags

NGSS.HS-PS4-1

Red light is passed through two narrow slits and forms a pattern of bright and dark lines on a screen. The two wave behaviors primarily responsible for this pattern are:

• Resonance and Interference

• Diffraction and Interference

• Polarization and Doppler Effect

• Reflection and Refraction

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Doctors often use sonograms rather than X-rays to produce images of interior structures of people. Which of these best describes the advantage of using sound waves rather than X-rays in this situation?

• Sound waves travel fast, which allows the doctor to quickly view the image.

• Sound waves have no radiation, which reduces the chance of harming the person.

• Sound waves stimulate the person's hearing.

• Sound waves travel through liquids, which allow them to pass through structures.