Sammylie Sammylie

05-08-2019
Physics

contestada

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

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MathPhys MathPhys

05-08-2019

Answer:

225 J

Explanation:

Work = change in energy

W = 1/2 mv²

W = 1/2 (0.020 kg) (150 m/s)²

W = 225 J

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