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A particle is projected from ground with...

A particle is projected from ground with an initial velocity `20m//sec` making an angle `60^(@)` with horizontal . If `R_(1)` and `R_(2)` are radius of curvatures of the particle at point of projection and highest point respectively, then find the value of `(R_(1))/(R_(2))`.

Text Solution

Verified by Experts

The correct Answer is:
8
`F_(1)=(v_(0)^(2))/(g cos theta)`
`R_(2)=((v _(0)cos theta )^(2))/(g)`

`:. (R_(1))/(R_(2))=(1)/((cos theta )^(2))=8`
Ans. 8`
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