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What will be the effect on maximum heigh...

What will be the effect on maximum height of a projectile when its angle of projection is changed from `30^(@) ` to `60^(@)` , keeping the same initial velocity of projection?

Text Solution

Verified by Experts

The correct Answer is:
`H_(2)=3H_(1)` (Height will increase thee times of previous height)
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Knowledge Check

  • Keeping the speed of projection constant, the angle of projection is increased from 0^(@) to 90^(@) . Then the maximum height of the projectile

    A
    goes on increasing up to `90^(@)`
    B
    decreases up to `90^(@)`
    C
    increases up to `45^(@)` and decreases beyond it
    D
    decreases up to `45^(@)` and increases beyond it

  • Keeping the speed of projection constant, the angle of projection is increased from 0^(@) to 90^(@) . Then the horizontal range of the projectile

    A
    goes on increasing up to `90^(@)`
    B
    decreases up to `90^(@)`
    C
    increases up to `45^(@)` and decreases afterwards
    D
    decreases up to `45^(@)` and increases afterwards

  • The horizontal range and the maximum height of a projectile are equal. The angle of projection of the projectile is

    A
    `theta = tan^(-1) ((1)/(4))`
    B
    `theta = tan^(-1)(4)`
    C
    `theta = tan^(-1)(2)`
    D
    `theta = 45^(@)`

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