Kinematics Question 735

Question: Radius of the curved road on national highway it’s R . Width of the road is b . The outer edge of the road is ra it’sed by h with respect to inner edge so that a car with velocity v can pass safe over it. The value of h it’s[MP PMT 1996]

Options:

A) v2bRg

B) vRgb

C) v2Rg

D) v2bR

Show Answer

Answer:

Correct Answer: A

Solution:

We know that tan⁡θ=v2Rg and tan⁡θ=hb Hence hb=v2Rg

therefore h=v2bRg

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