A particle of mass m is projected with a velocity v making an angle 45 with the horizontal. the magnitude of angular momentum
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at a height h,
h =v^2sin^2a/2g (where a is the angle made by the horizontal)
x component of velocity at that point = ucosa
angular momentum is r *p (where r is h, p is mucosa)
=v^2sin^2a/2g m ucosa
=v^3m/4 g
h =v^2sin^2a/2g (where a is the angle made by the horizontal)
x component of velocity at that point = ucosa
angular momentum is r *p (where r is h, p is mucosa)
=v^2sin^2a/2g m ucosa
=v^3m/4 g
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