Posted by vikrant on Tuesday, July 31, 2012 at 3:29am.
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  pratap, Thursday, August 2, 2012 at 12:27pm
I am also searching this answer, reason you know.

Dynamics  KSOU, Thursday, August 2, 2012 at 12:34pm
me too....

Dynamics  Rajan, Saturday, August 4, 2012 at 6:09am
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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