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A particle is projected at an angle thet...

A particle is projected at an angle `theta` with an initial speed `u`.

A

its rate of change of angular momentum about the point of projection is `Mg u costheta t`.

B

its angular momentum about the point of projection at any time is `Mga costheta"(t^(2))/(2)`

C

it will cover equal distances in equal intervals of time.

D

the radius of curvature of its trajectory will be maximum at the highest point.

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