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A body is thrown at an angle 30^(@) to t...

A body is thrown at an angle `30^(@)` to the horizontal with the velocity of `30m//` After 1 sec. its velocity will be ("in"m//s) `(g=10 m//s^(2))`

A

`10sqrt(7)`

B

`700sqrt(10)`

C

`100sqrt(7)`

D

`sqrt(10)`

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