An object hits the ground with a kinetic energy of 1 2 J If its mass is 1 6 kg a What was its speed at impact b What height did the object fall from

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An object hits the ground with a kinetic energy of 1 2 J . If its mass is 1 . 6 kg: a. What was

An object hits the ground with a kinetic energy of

12

.

If its mass is

1.6

kg:

a. What was its speed at impact?

b. What height did the object fall from?

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