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An object at rest on a flat, horizontal surface explodes into two fragments, one seven times as massive as the other. the heavier fragment slides 5.50 m before stopping. how far…

An object at rest on a flat, horizontal surface explodes into two fragments, one seven times as massive as the other. the heavier fragment slides 5.50 m before stopping. how far…
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An object at rest on a flat, horizontal surface explodes into two fragments, one seven times as massive as the other. the heavier fragment slides 5.50 m before stopping. how far does the lighter fragment slide?

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User Kajetan Abt
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Answer: conserve momentum: m*v = 7m*V so v = 7V you can calculate the KE of each piece, eg larger piece KE = ½*7m*V² and that's equal to the friction work = µ*7m*g*8.30 mass cancels again
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User Alexander Burov
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