Question

A particle projected with an intial velocity u at angle 0 from ground the work done by gravity during the time it reaches the highest point p is

Answer 1

Answer:

Learn the concepts of motion of projectile including time of flight and ... Consider a particle projected with an initial velocity u at an angle θ with the ... Acceleration along x- axis ax = 0

Answer 2

Heya Mate.....

Your answer is d....

$- \frac{m {u}^{2} {sin}^{2} \alpha }{2}$

Hope this will help you.....

#AD....