# physics

0.50 kg cream pie strikes a circus clown in the face at a speed of 5.00 m/s and stops. What is the change in kinetic energy of the pie?
in joules

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3. 👁 171
1. (1/2) m v^2

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2. thts the formula for how to find kinetic energy not how to calculate the change in kin. energy. what is the formula for change?

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3. It stopped, therefore the final Ke is zero so the change is -(1/2)mv^2

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