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kotykmax [81]
3 years ago
10

A man pushes a boulder with a mass of 50kg from rest to a final velocity of 3

Physics
1 answer:
professor190 [17]3 years ago
4 0

Answer:

Power = 56.25 W

Explanation:

Power = workdone/time taken

We are given;

Mass; m = 50 kg

Final velocity; v = 3 m/s

Time; t = 4 s

Workdone = ½mv² = 1/2 × 50 × 3²

W = 25 × 9

W = 225 J

Thus;

Power = 225/4

Power = 56.25 W

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A sail boat moves north for a distance of 10 km when blown by a wind 30° east of south with the force of 5.00×10^4 N. how much w
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<h3><u>Answer;</u></h3>

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3 years ago
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