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A point P on the trajectory of a project...

A point P on the trajectory of a projectile projected at angle with `theta` with horizontal subtrends angles `alpha` and `beta` at the point of landing them

A

tan`theta` +tan`alpha `= tan`beta`

B

tan`alpha` +tan`beta` = tan`theta`

C

tan`theta` +tan`beta` = tan`alpha`

D

tan`theta` +tan`alpha` = 2tan`beta`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • If a body is projected with an angle theta to the horizontal, then

    A
    its velocity is always perpendicular to its acceleration then
    B
    its velocity becomes zero at its maximum height.
    C
    its velocity makes zero angle with the horizontal at its maximum height.
    D
    the body just before hitting the ground, the direction of velocity coincides with the acceleration.

  • Galileo writes that for angles of projection of a projectile at angles (45 + theta) and (45 - theta) , the horizontal ranges described by the projectile are in the ratio of (if theta le 45 )

    A
    `2 :1 `
    B
    `1:2`
    C
    `1:1`
    D
    `2:3`

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