AP Kinematics

A 10-g penny is dropped from a building that is 125 m high. The penny is initially at rest. Approximately how long does it take the penny to hit the ground?

• 3.2 s

• 4.5 s

• 10 s

• 15 s

• 20

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A car in a drag race started from rest and accelerated constantly to a velocity of 50 m/s when it reached the end of a 500-m road. What was the car’s rate of acceleration?

• –5.0 m/s²

• -2.5 m/s²

• 0.5 m/s²

• 2.5 m/s²

• 5.0 m/s²

Tags

NGSS.HS-PS2-1

3. Which of the following best describes the motion of the car in regions C, D, and E of the velocity versus time graph?

• It is slowing down until it reverses direction and speeds back up again.

• It moves at a constant velocity in the negative direction.

• It accelerates at a constant, nonzero acceleration except at point C when its acceleration is zero.

• Its position changes at a constant rate.

• It moves at a constant, positive acceleration throughout the trip.

Tags

NGSS.HS-PS2-1

What is the magnitude of the acceleration of the car in region A?

• 0 m/s²

• 3 m/s²

• 5 m/s²

• 10 m/s²

• 30 m/s²

Tags

NGSS.HS-PS2-1

What is the acceleration rate of the car at the 6-second clock reading?

• 0 m/s²

• -15 m/s²

• -30 m/s²

• +30 m/s²

• -60 m/s²

Tags

NGSS.HS-PS2-1

Rank the average velocities of the car in regions A, B, C, and E.

• A > B > C = E

• B = A > C = E

• B > A = C = E

• B > A = C > E

• A > B > C = E

An airplane is flying horizontally at a velocity of 50.0 m/s at an altitude of 125 m. It drops a package to observers on the ground below. Approximately how far will the package travel in the horizontal direction from the point that it was dropped?

• 100 m

• 159 m

• 250 m

• 1020 m

• 1590 m

Tags

NGSS.HS-PS2-4

A placekicker kicks a football at a velocity of 10.0 m/s from a tee on the ground at an angle of 30° from the horizontal. Approximately how long will the ball stay in the air?

• 0.0 s

• 0.6 s

• 0.8 s

• 1.0 s

• 1.8 s

This graph depicts the motion of an object. During which time interval is the object at rest?

• 0-2 s

• 2-3 s

• 3-4 s

• 4-7 s

• 7-10 s

Tags

NGSS.MS-PS3-1

A car is traveling at an unknown velocity. It accelerates constantly over 5.0 seconds at a rate of 3.0 m/s2 to reach a velocity of 30 m/s. What was the original velocity of the car?

• 1.0 m/s

• 5.0 m/s

• 10 m/s

• 15 m/s

• 20 m/s

Tags

NGSS.HS-PS2-1