PH-1654
Free fall
Physics · Secondary 4 · Easy · Free fall
A stone is dropped from rest from a balcony and falls freely. It takes 2.0 s to reach the ground. Take .
What is the speed of the stone just before it hits the ground?
What is the speed of the stone just before it hits the ground?
- 5.0 m/s
- 10 m/s
- 15 m/s
- 20 m/s
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