Question

velocity of a body , in a projectile motion, at its maximum height

Answer 1

we know that at the maximum height, the vertical component of velocity is zero.

so only the horizontal component is present at the maximum height that is ucos theta.
horizontal component remains constant because no horizontal acceleration is present.

Answer 2

✔hey there!!..

Velocity of projectile at maximum height is same alws i.e ucosk where u is velocitu of projection and k is angle of projection..

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Hope it will help u