Asked by help
Calculate the change in kinetic energy of a 2.50kg cat slowing down from 1.00m/s to 0.500m/s.
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Answered by
Henry2
KE change = 0.5M*V2^2 - 0.5M*V1^2 = 0.5M(V2^2 - V1^2).
V1 = 1 m/s.
V2 = 0.5 m/s.
Since the KE decreased, the change should be negative.
V1 = 1 m/s.
V2 = 0.5 m/s.
Since the KE decreased, the change should be negative.
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