1 answer

A boy whose mass is 40kg runs up a flight of 30 steps each 150mm high in 6seconds

Question:

A boy whose mass is 40kg runs up a flight of 30 steps each 150mm high in 6seconds. Find the average power developed (take g as 10m/s^2.

Answers

Work done = m g h = 40 * 9.81 * 30 * 0.150 Joules

power in Watts = work done / 6 seconds.

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