PH-2463
Conservation of energy
Physics · Secondary 4 · Medium · Conservation of energy
A 2.0 kg block slides down a smooth slope and loses 30 J of gravitational potential energy. What is its speed at the bottom of the slope?
- 3.0 m/s
- 4.0 m/s
- 5.5 m/s
- 7.5 m/s
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