Question

A car travelling at 20ms-1produces a force of 200N. What is the power of the engine in KW?

Answer 1

Answer:

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Answer 2

Answer:

1/6watt

Explanation:

power = work / time

so,

(given) work =200N

time = 20 min = 20*60=1200second

(solution)

w/t

200/1200

1/6

so 1/6watt is the power of engine .