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A particle is moving in a circle of radiusrhaving centre atOwith a constant speedv, the magnitude of change in velocity in moving fromAtoBis
1)2v 2) 0 3)v 4) v
A hemispherical bowl of radius 10 m rotates about its vertical axis with an angular velocity 1.4 rad/s. A point particle of mass 10-2 kg placed on the smooth inner surface of the bowl, also rotates with the same speed. The particle is at a height h from the bottom of the bowl. Find the height of the particle.
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