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QUIZ

Free Fall and Vertical Projectiles

Instructions

Enter all answers, then click "Check your answers" near the bottom of this page.
Make sure to enter your answers in the specified units.


1. A brick dropped from a roof hits the ground seconds later. How high (in m) was the roof?

2. A ball was thrown straight up at m/s then caught at the same place it was released. How many seconds was it in the air?

3. How high above its release point did the ball in the previous question go?

4. A stone is thrown straight up. To reach a height of m above its release point, what must its initial speed be in m/s?

5. A stone is thrown straight up at m/s. What is the stone's acceleration in m/s/s at the top of its rise?


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May The Force be with you.