Questions
A simple pendulum of length I has a maximum angular displacement . The maximum kinetic energy of the bob of mass m will be
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a
mgl(1-cosθ)
b
mglcosθ
c
mglsinθ
d
None of these
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Correct option is A
Height, h=l(1-cosθ)vm2=2gh=2gl(1-cosθ)∴ Maximum kinetic energy, Km=12mvm2=mgl(1-cosθ)Similar Questions
A pendulum of length / = l m is released from . The rate of change of speed of the bob at is (g = 10 )
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