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Dynamics

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a 1500 kg automobile is travelling upto 20 degrees inclined at a speed of 6m/s. if the driver wishes to stop his car in a distance of 5m, determine the frictional force at pavement which must be supplied by rear wheels

  • Dynamics -

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    me too....

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    KE=PE+W(fr)
    m•v²/2 =m•g•h+F(fr) •s,
    F(fr) =m(v²/2•s – g/ siná)

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