physics

a body whose mass is 40kg runs up a flight of 30 steps each 150mm high in 6 second fine the average power developed

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3. 👁 120

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2. work done in lift = m g h = 40 * 9.81 * 30 * 0.150 Joules
power = work/time
so divide work done in Jouless by 6 to get Watts

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posted by Damon
3. good

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4. good

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posted by odey
5. good work

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posted by odey

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