What is the man's power output?

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SUMMARY

A 100kg man climbing a vertical 10m ladder in 12 seconds performs work calculated using the equation W = mgh, where g is the acceleration due to gravity (9.81 m/s²). The total work done by the man is 9800 Joules. To find the man's power output, the formula P = W/t is used, resulting in a power output of approximately 816.67 Watts.

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Homework Statement


A 100kg man climbs a vertical 10m ladder in 12s.
How much work is done by the man?
What is the man's power output?


Homework Equations


For the work I think I need
W=F.s and F=(change in momentum)/time

I've got no idea what the equation for power is though.


The Attempt at a Solution


Work = force x 10
 
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ride4life said:

Homework Statement


A 100kg man climbs a vertical 10m ladder in 12s.
How much work is done by the man?
What is the man's power output?

Use Eg = mgh to find how much work the man does.
Then use mikelepore's indicated site to calculate power.
 

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