What is the efficiency of the energy transformation

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Reference no: EM132583093

A baseball bat has 120 J of kinetic energy as it hits a baseball (m = 0.145 kg).

(a) If the baseball bat transfers 70 J of its kinetic energy to the baseball, what is the efficiency of the energy transformation?

(b) Find the speed of the baseball immediately after it has been hit.

Reference no: EM132583093

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