Science, asked by vjptripster2004, 10 months ago

a simple pendulumis released from rest at A as shown. if m is the mass of the bob and l is the length of the pendulum the gain in K E at B

Answers

Answered by kavitaanand1p9wxll

1

Answer:

Initial energy =mgl

But, as per the given in question,

PE=0

gain in KE=mglcos30

KE=mgl

2

3

∴ option C is the correct solution

solution

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