A particle of mass m is projected from point P on the ground with initial speed v at an angle θ with horizontal. Find the angular momentum of particle w.r.t. point P when it is at highest point of its trajectory.
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a
mu3sin2θcosθ2g
b
mu3cosθsinθg
c
mu3cosθsin2θg
d
mu3cos2θsinθ2g
answer is A.
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Detailed Solution
Angular momentum at point PL=(mucosθ)Hmax=mucosθu2sin2θ2gL=mu3sin2θcosθ2g
A particle of mass m is projected from point P on the ground with initial speed v at an angle θ with horizontal. Find the angular momentum of particle w.r.t. point P when it is at highest point of its trajectory.