Question

A projectile is projected with velocity 'V' at
an angle O with horizontal. The magnitude of
radial acceleration of projectile is
First decrease, then increases
First increase, then decreases


Always increases
Remains constant​

Answer 1

Answer:

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always remains constant

Answer 2

A projectile is projected with velocity 'V' at  an angle θ with horizontal. The magnitude of  radial acceleration of projectile remains constant.

Therefore, option (3) is correct.

Explanation:

For the projectile, the acceleration acting on it will be the acceleration due to gravity only.

The acceleration due to gravity is constant

The angle θ with which the projectile is projected is also constant

As shown in the figure, the radial component of the acceleration will be

$g\cos\theta$

Which will also be a constant.

Hope this answer is helpful.

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