An ore car of mass 2000 kg rolls downhill on tracks from a mine.At the end of the tracks,10.0 m lower in elevation,is a spring with k = 400,000 N/m.How much is the spring compressed in stopping the ore car? Ignore friction.
A) 0.14 m
B) 0.99 m
C) 1.40 m
D) 1.96 m

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The Answer of An ore car of mass 2000 kg rolls downhill on tracks from a mine.At the end of the tracks,10.0 m lower in elevation,is a spring with k = 400,000 N/m.How much is the spring compressed in stopping the ore car? Ignore friction.
A) 0.14 m
B) 0.99 m
C) 1.40 m
D) 1.96 m

An Ore Car of Mass 2000 Kg Rolls Downhill on Tracks