PH-1684
Free fall
Physics · Secondary 4 · Hard · Free fall
A 2.0 kg stone is dropped from rest from a height of 5.0 m on Earth. Take .
What is the speed of the stone just before it hits the ground, assuming no air resistance?
What is the speed of the stone just before it hits the ground, assuming no air resistance?
- 5.0 m/s
- 7.1 m/s
- 10 m/s
- 20 m/s
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