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A particle is projected from the ground ...

A particle is projected from the ground at an angle of `60^(@)` with horizontal at speed `u = 20 m//s.` The radius of curvature of the path of the particle, when its velocity. makes an angle of `30^(@)` with horizontal is :
`(g=10 m//s^(2)`

A

`10.6 m`

B

`12.8 m`

C

`15.4 m`

D

`24.2 m`

Text Solution

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The correct Answer is:
C
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