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


6 years ago

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Leo Galleguillos
Looks like this question was asked several times already.
6 years ago
Damon
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
6 years ago
Anonymous
good
6 years ago
odey
good
6 years ago
odey
good work
6 years ago

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