PH-919
Work done
Physics · Secondary 3 · Easy · Work done
A 0.020 kg pellet penetrates 0.10 m into a block before stopping. The average resistive force on the pellet is 30 N. What is the work done by the pellet against friction?
- 3.0 J
- 0.30 J
- 300 J
- 1.5 J
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