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clicker10_09 - In class Quiz#10-1 The hammer(mass 2 kg is...

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1 The hammer (mass 2 kg) is moving at 5 m/s. It comes to a stop driving the nail into the board. How much heat is generated in the nail, hammer, & board? (Ignore movement of hand and arm) A. 50 joules B. 2 joules C. 250 joules D. 100 joules E. 25 joules 2 mv 2 1 KE = net f i W KE KE KE = = Δ In class Quiz #10-1 Your physics professor asks you to stand against the wall and release a bowling ball hanging on a rope. As you let it go, you really, really want to jump out of the way, but your firm belief in what law of physics helps
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