A projectile is projected with speed $u$ at an angle $\theta$ with the horizontal. The average velocity of the projectile between the instants it crosses the same level is ............
A projectile is projected with speed $u$ at an angle $\theta$ with the horizontal. The average velocity of the projectile between the instants it crosses the same level is ............
- A
$u \cos \theta$
- B
$u \sin \theta$
- C
$u \cot \theta$
- D
$u \tan \theta$
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