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A bullet is projected upwards from the t...

A bullet is projected upwards from the top of a tower of height 90 m with the velocity `30 ms^(-1)` making an angle `30^(@)` with the horizontal. Find the time taken by it to reach the ground is `(g=10 ms^(-2))`

Text Solution

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The correct Answer is:
6s
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A bullet is projected upwards from the top of a tower of height 90m with the velocity 30ms^(-1) making an angle 30^(@) with the horizontal. Find the time taken by it to reach the ground is (g=10ms^(-2))

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Knowledge Check

  • A bullet is projected upwards from the top of a tower of height 90 m with the velocity 30 ms^(-1) making an angle 30° with the horizontal. The time taken by it to reach the ground is (g=10 ms^(-2) )

    A
    2s
    B
    3s
    C
    24 s
    D
    6 s

  • A stone is projected from the top of a tower with velocity 20ms^(-1) making an angle 30^(@) with the horizontal. If the total time of flight is 5s and g=10ms^(-2)

    A
    the height of the tower is 75m
    B
    the maximum height of the stone from the ground is 80m
    C
    both of the above are true
    D
    none of the above is true

  • A stone is projected from the top of a tower with velocity 20ms^(-1) making an angle 30^@ with the horizontal. If the total time of flight is 5s and g=10ms^(-2 )

    A
    the height of the tower is 75 m.
    B
    the maximum height of the stone from the ground is 80 m
    C
    both of the above are true
    D
    none of the above is true

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    A stone is projected from the top of a tower with velocity 20ms^(-1) making an angle 30^@ with the horizontal. If the total time of flight is 5s and g= 10ms^(-2)

    A stone is projected from the top of a tower with velocity 20ms^(-1) making an angle 30^(@) with the horizontal. If the total time of flight is 5s and g=10ms^(-2) .

    A stone is projected from the top of a tower with velocity 20ms^(-1) making an angle 30(@) with the horizontal. If the total time of flight is 5s and g = 10ms^(-2) ,

    A body is projected with velocity 24 ms^(-1) making an angle 30^(@) with the horizontal. The vertical component of its velocity after 2s is (g=10ms^(-1))

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