A motor car completes 5 rounds in 2 minutes. What is the radius of the track if the angular acceleration of the is 3.14×3.14rad/s
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total angular distance in 5 round = 10 ×3.14
angular velocity = (10×3.14)/120 = 3.14/12 rad/s
angular acc = r×(angular velocity)^2
3.14^2= r× (3.14/12)^2
r =144 unit
angular velocity = (10×3.14)/120 = 3.14/12 rad/s
angular acc = r×(angular velocity)^2
3.14^2= r× (3.14/12)^2
r =144 unit
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