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A particle is fired from a point on the ...

A particle is fired from a point on the ground with speed `u` making an angle `theta` with the horizontal.Then

A

the radius of curvature of the projectile at the highest point is `(u^(2)cos^(2)theta)/g`

B

the radius of curvature of the projectile at the highest point is `(u^(2)sin^(2)theta)/g`

C

at the point of projection magnitude of tangential acceleration is `g sin theta`

D

at the point of projection magnitude of tangential acceleration is `g cos theta`

Text Solution

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The correct Answer is:
A, C
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