Question

What’s the velocity of an 11-kilogram object with 792 joules of kinetic energy? Use .

Answer 1

Formula for kinetic energy is:
KE = 1/2 * m * v^2
KE = 792
m = 11
$792 = \frac{1}{2} *11*v^2 \\ 792 = 5.5v^2 \\ v^2 = \frac{792}{5.5} = 144 \\ v = \sqrt{144} = 12 m/s$

Answer 2

Answer:

12m/s

Explanation:

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