A sailboat moves north for a distance of 10.00 km when blown by a wind 30° east of south with a force of 5.00 × 104 N. How much
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Answer:
It would take 16.7 s for the work to be done by the engine.
Explanation:
From the question, given: Power = 390.3 kW
Work to be done = 6.5 x J
But, power and work done with respect to time, has a relationship of:
Power =
So that,
time =
Thus,
time =
= 16.6539
time = 16.7 s
Time required is 16.7 seconds.
Thus, it would take 16.7 s for the work to be done by the engine.