Question

29. A particle is fired with velocity u making angle
with the horizontal. What is the change in velocity
when it is at the highest point ?
(1) u cos 0
(2) u
(3) u sin 0
(4) (u coso - u)​

Answer 1

Answer:

1-ucosO

Explanation:

See as the particle goes its vertical component ie usinO tends to 0. At highest point it is 0 but it continues to move horizontally with ucosO. So the answer is ucosO