physics helpp? please? - Freemason Hirams Travels Masonic Forums

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02-26-2008, 04:15 PM

heyheyheythere

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physics helpp? please?

A ball with a mass of 0.15 kg and a speed of 5.0 m/s strikes a wall and bounces straight back with a speed of 3.0 m/s. What is the change in momentum of the ball?

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