A train engine weighs 5 times as much as aflatbed car if
A train engine weighs 5 times as much as aflatbed car. If the engine coasts at 3 km/hr into the boxcar that is initially at rest and becomes coupled to the boxcar, how fast do the two move after the inelastic collision?
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a train engine weighs 5 times as much as aflatbed car if the engine coasts at 3 kmhr into the boxcar that is initially
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