1.

Neglecting the air resistance the Time of flight of a projectile is determined by​

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Answer:

Explanation:

In horizontalprojectile motion time of FLIGHT is determined by the 'y -component' of the initial Velocity ( the velocity with which the object is projected)say :

If a object is projected with a velocity 'u' MAKING an angle B with the horizontal ( x- AXIS) then y component will be 'u SINE b'

That is; T= 2 usine b/g



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