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For a curved track of radius R, banked a...

For a curved track of radius R, banked at angle `theta`

A

a vehicle moving with a speed `v_(0)` is able to negotiate the curve without calling friction into play at all

B

a vehicle moving with any speed `v gt v_(0)` is always able to negotiate the curve, with friction called into play

C

a vehicle moving with any speed `vltv_(0)` must have the force of friction into play

D

the minimum value of the angle of banking for a vehicle parked on the banked road can stay there without slipping, is given by `8=tan^(-1)mu0 (mu0 ="coefficient of static friction")`

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The correct Answer is:
A, C
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