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An athlete gains 300J of KE when running at 3m/s. Find the mass of the athlete.
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18 votes
18 votes
An athlete gains 300J of KE when running at 3m/s. Find the mass of the athlete.

User Overclocked
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20 votes
KE and PE are the same so it would end up being 300=3x9.8xm and work backwards to find 300=29.4m divide and get 10.2 significant figures will make it 10
User Christopher Bales
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