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02-03-2020
Physics

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02-03-2020

Answer: 266.7 Mm/s

Explanation:

Time: 2.5 hours in seconds = 2.5 × 60 × 60 = 9,000s.

Distance: 75 KM converted to meters = 75 × 1,000 = 75,000m

Force: 32N

Power = work ÷ time

Work = force × distance

Work = 32N × 75,000m = 2,400,000 Nm

Power = work ÷ time

Power = 2,400,000 Nm ÷ 9,000s

Power = 266.7 Nm/s

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