pohmelo
pohmelo
13-08-2016
Physics
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I need help answering this question.
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Edufirst
Edufirst
21-08-2016
The work done is the loss of kinetic energy.
Loss of kinetic energy = m*(v1^2 - v2^2)/2 = 10 kg * [ (99m/s)^2 - (1m/s)^2]/2 = 49,000 J
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