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    Hiya guys !


    I've carried out a practical in which we measure the gravatational potential energy of a ball when throwing it from a set height and then recording the height it bounced back at. I've done all my data on kinetic energy and gpe. just stuck on working the efficency


    So what is my energy input and energy output?
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    (Original post by KKP109)
    Hiya guys !


    I've carried out a practical in which we measure the gravatational potential energy of a ball when throwing it from a set height and then recording the height it bounced back at. I've done all my data on kinetic energy and gpe. just stuck on working the efficency


    So what is my energy input and energy output?
    What do YOU think?
    Spoiler:
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    Note that where there's not 100% efficiency Input>Output
 
 
 
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