How much work is needed to stop a 20g bullet moving with a speed of 150 ms-1

asked Jul 26, 2020 22.3k views

3 votes

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4 votes

Answer:

225 J

Step-by-step explanation:

Work = change in energy

W = 1/2 mv²

W = 1/2 (0.020 kg) (150 m/s)²

W = 225 J

Got answered Aug 1, 2020

by Got

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