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The kinetic energy of a 1000-kg roller coaster car that is moving with a speed of 20.0 m/s.
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The kinetic energy of a 1000-kg roller coaster car that is moving with a speed of 20.0 m/s.

User Lightyears
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E=(mV^2)/2
m=1000kg, V=20m/s
then, E=(1000kg*(20m/s)^2)/2
E=(1000*400)/2 J = 200000J
User James Hollingshead
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