Maitri Asked a Question
September 12, 2020 9:45 ampts 30 pts
A car weighing 1350 kg is going down a hill. When it is 60 m vertically above the bottom of the hill, the driver sees red light of traffic crossing at the bottom. His speed at the time brakes are applied is 20 ms. How much energy will be dissipated by the brakes if wind and other frictional effects are neglected. Take g = 9.80 m/s2
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  • Jeevesh Best Answer
    see the attachment for details
    • cropped136176989.jpg
    • cropped724104038.jpg
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    Maitri
    but the answer is given as 1323.5 kj
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