Physics · May / June 2020 · Paper 11 · Question 17
5054Motion
A boy is standing by the side of a lake. The boy drops a heavy stone from a height of 2.0 m above the water surface. The acceleration due to gravity is 10 m / s^2. What is the speed of the stone when it hits the surface of the water?
- A4.5 m / s
- B6.3 m / s
- C20 m / s
- D40 m / s
As printed in the paper
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Correct answer: B. 6.3 m / s
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