Two projectiles A and B are projected with angle of projection 15° for the projectile A and 45° for the projectile B,

Monjur Alahi

Two projectiles A and B are projected with angle of projection 15° for the projectile A and 45° for the projectile B. If RA and RB be the horizontal range for the two projectiles, then

(a) RA < RB 

(b) RA = RB 

(c) RA > RB

(d) the information is insufficient to decide the relation of RA with RB.


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Salim Ahmed Kawsar

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(d) the information is insufficient to decide the relation of RA with RB.

Explanation: 

The range of a projectile depends upon the projected velocity and the angle of projection as is clear from the formula R= (u2 /g) Sin2θ 

But in this question only angle of projection is given, not the projected velocity.

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