(1) Find the formula for maximum speed of a vehicle on a circular road of banking angle (theta) 0.
(2) Calculate the work done by the force of friction in a 100 meter road by
dragging 50 kg object(us : 0.2)
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Explanation:
1) tanX=v²/rg
2) frictional force= umg
=500*1/5
=100N
Work done = fscosX
=100N*100m*cos(180°)
=-10000J
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