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Statement of a problem № 2541

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A 15-g bullet moving at 300 m/s passes through a 2.0 cm thick sheet of foam plastic and emerges with a speed of 90 m/s. What average force impeded its motion through the plastic?

Solution:
A 15-g bullet moving at 300 m/s passes through a 2.0 cm thick sheet of foam plas

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