PH-2447
Conservation of energy
Physics · Secondary 4 · Medium · Conservation of energy
A 0.20 kg ball is dropped from rest from a height of 5.0 m. Ignore air resistance and take .
Using conservation of energy, what is the speed of the ball just before it hits the ground?
Using conservation of energy, what is the speed of the ball just before it hits the ground?
- 5.0 m/s
- 7.1 m/s
- 10 m/s
- 14 m/s
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