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A car moves uniformly along a horizontal...

A car moves uniformly along a horizontal sin curve `y = a sin (x//alpha)`, when a and are certain constants. The coefficient of friction between the wheels and the road is equal to `mu`. At what velocity will the car ride without sliding ?

A

`alphasqrt((kg)/(a))`

B

`-alphasqrt((kg)/(a))`

C

`kgsqrt((alpha)/(a))`

D

`-kgsqrt((alpha)/(a))`

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The correct Answer is:
A
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