A pendulum of length 2m lift at P. When it reaches Q, it losses 10% of – McqOptions

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1.	A pendulum of length 2m lift at P. When it reaches Q, it losses 10% of its total energy due to air resistance. The velocity at Q is [DCE 1998]
A.	6 m/sec
B.	1 m/sec
C.	2 m/sec
D.	8 m/sec
Answer» B. 1 m/sec

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