Physicseasy · Past Paper
A machine does 2000 J of work in 20 seconds. Calculate its power.
A100 W
B40 W
C40000 W
D200 W
✓ Correct Answer: A — 100 W
Power = Work / Time = 2000 J / 20 s = 100 Watts.
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✓ Correct Answer: A — 100 W
Power = Work / Time = 2000 J / 20 s = 100 Watts.
Share this question