Asked by physics
                the maximum height a typical person can jump from a crouched start is about 60cm. By how much does the gravitational potential energy increase for a 72kg person in such a jump? Where does this energy come from?
I know the formula for gravitational potential energy is U=mgh. I just don't know what to plug in =/
            
        I know the formula for gravitational potential energy is U=mgh. I just don't know what to plug in =/
Answers
                    Answered by
            Damon
            
    72 * 9.81 * 0.60 in Joules
It comes from the kinetic energy at liftoff
    
It comes from the kinetic energy at liftoff
                    Answered by
            silanaks
            
    prove the law of conservation of energy in the case of a sliding body?
    
                    Answered by
            Jamaica
            
    1. Given: m=72 kg; g (constant)=9.8 m/s^2; h= 60cm= .60m
2. Use the gravitational potential energy formula: U=mgh.
3. solve:
U=mgh
U=(72 kg)(9.8 m/s^2)(.60m)
U=423.36 kg m/s^2
    
2. Use the gravitational potential energy formula: U=mgh.
3. solve:
U=mgh
U=(72 kg)(9.8 m/s^2)(.60m)
U=423.36 kg m/s^2
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