What is the man's power output?

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In summary, a 100kg man climbs a vertical 10m ladder in 12s. To find the work done by the man, use the equation W=F.s and F=(change in momentum)/time. The equation for power can be found by using Eg = mgh and the indicated website.
  • #1
ride4life
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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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  • #3
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.
 

1. What is the difference between work and power?

Work is the amount of energy transferred when a force is applied over a distance. Power, on the other hand, is the rate at which work is done or energy is transferred.

2. How is work calculated?

Work is calculated by multiplying the magnitude of the force applied by the distance over which it is applied. The formula for work is W = Fd, where W is work, F is force, and d is distance.

3. What is the unit of measurement for work?

The unit of measurement for work is the joule (J), which is equivalent to a force of one newton (N) applied over a distance of one meter (m).

4. How is power related to work?

Power is directly related to work, as it is a measure of how quickly work is done. The more work that is done in a given amount of time, the higher the power output.

5. What are some real-world applications of work and power?

Work and power are important concepts in many fields, including physics, engineering, and sports. They are used to calculate the efficiency of machines, determine the output of engines, and measure the performance of athletes.

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