Question

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Question:-

A motorbike of mass 100 kg and power 50 watt runs 60 km in hour at the cost of 1 litre petrol. Find the Chemical energy stored in the petrol.

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Answer 1

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Answer 2

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The answer of u r question is..✌️✌️

✖️A motorbike of mass 100 kgs and power 50 whats Run 60 km in hour at the cost of 1 litre petrol find the chemical energy stored in the petrol✖️


Ans:✍️✍️✍️✍️✍️✍️✍️

W = ∆KE


P= W/t


W= 50×60×60


= 180000


W = Ke-1/2×100+(60×1000/60×60)^2



W= KE -50×100/6^2


KE= 10×10^4+50+10^4/36



=10^4(648+50/36)


=19.38×10^4 J


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