A 70kg man ascend a flight of stairs of height 4meter in 7secs calculate the power expanded by the man​

a 70kg man ascend a flight of stairs of height 4meter in 7secs calculate the power expanded by the man​

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  1. lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

    explanation:

  2. Since mass is given and time is given and height is also given then g will be 10m/s. M=70kg, h=4m, t=7s. From p=fXs=mgh/t. P=70X10X4/7. P=2800/7=400N. P=400N

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