A car moves up a hill of incline 1in 50 with avelocity of 15kmph.the resistance due to friction is 1/25th of weight of the car.The speed of the car while moving down hall using sam epower
1)15kmph
2)30kmph
3)45kmph
4)60 kmph

45 kmph
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45KMPH
  • -8
30hshje
  • -2
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