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pohmelo
pohmelo pohmelo
  • 13-08-2016
  • Physics
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Edufirst
Edufirst Edufirst
  • 20-08-2016

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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