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Please help I hate this question and I can't figure it out. Calculate the kinetic energy acquired by a 7.7-g nail when it is struck

Please help I hate this question and I can't figure it out.

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Calculate the kinetic energy acquired by a 7.7-g nail when it is struck by a 700-g hammer moving with an initial speed of 8.8 m/s Express your answer using two significant figures. 2 K = 0.61 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining

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