A ball is thrown from the top of a tower...

A ball is thrown from the top of a tower with an initial velocity of 10 m//s at an angle of `30^(@)`above the horizontal. It hits the ground at a distance of 17.3 m from the base of the tower. The height of the tower `(g=10m//s^(2))` will be

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The correct Answer is:

`(10 m)`

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