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Q. A pendulum bob of length L has its motion interrupted by the peg perpendicularly beneath the support. The bob is released when the string is horizontal. Find out the minimum value for y in order for the bob to swing in a complete circle. State this value of y in terms of L only.

Q. A 2840 kg truck has a velocity of 8.30 m/s and comes to a stop in 15s. What are the initial velocity, final velocity, initial momentum and final momentum?

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Category:- Physics
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