A particle is projected at an angle of 6...

A particle is projected at an angle of `60^(@)` above the horizontal with a speed of `10m//s`. After some time the direction of its velocity makes an angle of `30^(@)` above the horizontal. The speed of the particle at this instant is s

`(5)/(sqrt3) ms^(-1)`

`5sqrt3ms^(-1)`

`5ms^(-1)`

`(10)/(sqrt3)ms^(-1)`

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