First slide

Projection Under uniform Acceleration

Question

Assertion : When the velocity of projection of a body is made n times, its time of flight becomes n times.
Reason : Range of projectile does not depend on the initial velocity of a body.

Easy

A

If both assertion and reason are true and reason is a true explanation of assertion.
B

If both assertion and reason are true but reason is not the correct explanation of assertion.
C

If assertion is true but reason is false.
D

If both assertion and reason are false.

Solution

$T \infty u a n d R \infty u^{2}$
When velocity of projection of a body is made n times, then its time of flight becomes n times and range becomes $n^{2} t i m e s .$

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