E1T9 Retake PreAP 2016

1. Which would hit the ground first if dropped from the same height in a vacuuma feather or a metal bolt?

A. the feather

B. the metal bolt

C. They would hit the ground at the same time.

D. They would be suspended in a vacuum.

2. Objects that are thrown up into the sky move

A. faster and faster.

B. slower and slower

C. at a constant velocity.

D. slower then faster.

3. A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be

Less than the speed it had when thrown upwards.

More than the speed it had when thrown upwards.

The same as the speed it had when thrown upwards.

4. As an object falls freely in a vacuum, its

Velocity increases.

Acceleration increases.

Both A and B.

None of the above.

5. A ball tossed vertically upward rises, reaches its highest point, and then falls back to its starting point. During this time the acceleration of the ball is always

In the direction of motion.

Opposite its velocity.

Directed downward.

Directed upward.

E1t9 Retake Preap 2016