# science

If a 50kg cheeetah had kinetic energy of 18,000 joules , how fast is the cheetah running?

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1. KE = 1/2 M V^2
18000 = 1/2 (50) v^2
18000 = 25v^2
18000/25 = 25v^2/25
720 = v^2
720 (sqrt) = v^2
=?

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