Question

at what point of a projectile motion , angle between velocity and acceleration will be acute​

Answer 1

Explanation:

In projectile motion acceleration is directed towards earth and at the peak point the angle between velocity and acceleration is 90∘. because at the peak point vertical component of velocity is 0.

Answer 2

ANSWER:-

in the second half...

yaani once after the particle crosses the maximum height ...then angle between velocity and acceleration is always acute