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10 December, 16:54

A kid has 650 Joules of potential energy when they are the top of their swing. If the height is 1.3 meters, what is the mass of the kid?

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  1. 10 December, 16:58
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    51kg

    Step-by-step explanation:

    GPE=mass*gravitational field strength*height

    so ...

    mass=GPE/gravitational field strength*height

    gravition field strength on earth=9.81

    650/9.81*1.3=50.968 ...
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