1The 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 joulesB.2 joulesC.250 joulesD.100 joulesE.25 joules2mv21KE=netfiWKEKEKE=−= ΔIn class Quiz #10-1Your 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, reallywant to jump out of the way, but your firm belief in what law of physics helps
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