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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

A

10m

B

12m

C

110m

D

100m

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Knowledge Check

  • A ball is thrown from the top of tower with an initial velocity of 10ms^(-1) at an angle of 30^(@) with the horizontal. If it hits the ground of a distance of 17.3m from the back of the tower, the height of the tower is (Take g=10ms^(-2))

    A
    `5m`
    B
    `20m`
    C
    `15m`
    D
    `10m`

  • A ball is thrown from the top of 36m high tower with velocity 5m//ss at an angle 37^(@) above the horizontal as shown. Its horizontal distance on the ground is closest to [ g=10m//s^(2) :

    A
    `12m`
    B
    `18m`
    C
    `24m`
    D
    `30m`

  • A stone is thrown from the top of a tower at an angle of 30^(@) above the horizontal level with a velocity of 40 m/s. it strikes the ground after 5 second from the time of projection then the height of the tower is

    A
    20 m
    B
    25 m
    C
    40 m
    D
    55m

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