Name:_____________________
Freefall Practice
1)
Doug is standing on a bridge that spans a canyon. He drops a rock into the open space below him. Calculate the magnitude
of the rock’s velocity after it has fallen for 5.0 seconds.
2)
A rock falls to the floor from a cliff 0.7 kilometers high. With what velocity does the rock hit the floor?
3)
Charlie Brown throws a baseball straight up with an initial speed of 25 meters per second. Calculate the maximum height
that the ball will reach. (There are a few ways to do this)
Circle the graph that best represents the velocity of the ball as it goes to its maximum height and then back to Charlie’s hand.
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4)
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Captain Hammer is a superhero exploring Mars. He notices that when he drops a wrench from a height of 2 meters, it takes
1.03 seconds for it to reach the surface of the planet. Calculate the acceleration due to gravity on Mars.