First slide

Projection Under uniform Acceleration

Question

Keeping the velocity of projection constant, the angle of projection is increased from 0⁰ to 90⁰. Then the horizontal range of the projectile

Moderate

A

goes on increasing up to 90⁰
B

decreases up to 90⁰
C

increases up to 45⁰ and decreases afterwards
D

decreases up to 45⁰ and increases afterwards

Solution

$R = \frac{u^{2} \sin 2 α}{g}$
'R' is maximum at α = 45⁰
'R' is zero at α = 0⁰ and α =90⁰
so option - (3) is correct

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