The centre of gravity of a car is 0.62m above the ground. It can turn along a track which is 1.24m wide and has radius r. If the greatest speed at which the car can take the turn is 22.02m/s, What is the value of r? (in m)
A
49.48
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B
58.36
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C
21.36
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D
96.36
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Solution
The correct option is B49.48 assume that critical velocity is v, if speed of car is more than v then car will topple due to torque of centrifugal force Fc around point P , so balancing the torque at point P