A rock is thrown vertically upward with a speed of 19.0 m/s from the roof of a building that is 50.0 m above the ground. Assume free fall.

Question

Question

Problem 7. A rock is thrown vertically upward with a speed of 19.0 m/s from the roof of a building that is 50.0 m above the ground. Assume free fall.

1. In how many seconds after being thrown does the rock strike the ground?

2. What is the speed of the rock just before it strikes the ground?

3. What is rock's position 2.00 seconds after the throw?

4. What is rock's velocity after its displacement of -20.0m?

Answer 1

Answer #1

Answer 2

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