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JEE Main Physics question

PhysicsLaws of MotionJEE Main

A car moves over a convex hill of radius of curvature m. For the car to feel momentarily weightless (zero normal reaction) at the top, its speed (in m/s) must be between

Answer: (A)

Solution

Weightlessness occurs when : \dfrac{mv^2}{R}$ ⇒

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Question ID VK-157601