A particle is projected with speed u at angle θ with horizontal from ground. If it is at same heigh

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3-2.Motion in Plane

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A particle is projected with speed $u$ at angle $\theta$ with horizontal from ground. If it is at same height from ground at time $t_1$ and $t_2$, then its average velocity in time interval $t_1$ to $t_2$ is .........

A

Zero

B

$u \sin \theta$

C

$u \cos \theta$

D

$\frac{1}{2}[u \cos \theta]$

Solution

(c)

When projectile is at same height, average velocity $=U \cos \theta$.

Standard 11

Physics

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(JEE MAIN-2013)