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Q1. An air puck of mass 0.029 kg is tied to the string and allowed to revolve in a circle of radius 2.0m on a frictionless horizontal surface. The other end of the string passes through a hole in the center of surface, and a mass of 2.6 kg is tied to it. The suspended mass remains in equilibrium while the puck revolves on the surface. The acceleration of gravity is 9.81 m/s2

Q2. If the car was in neutral and its brakes were off, so that the collision is around elastic, find the final speed of the truck.

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Category:- Physics
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