A) 20 watt
B) 200 watt
C) 2 watt
D) 10 watt
Correct Answer: A
Solution :
Work done = Force \[\times \] Distance \[=40\times 30=1200\,J\] Using the formula for power \[P=\frac{\text{work}\,\text{done}}{\text{time}}=\frac{1200}{60}=20\,\,\text{watt}\]You need to login to perform this action.
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