Question

A particle is fired with velocity u making angle with horizontal.what is change of speed

Answer 1

Answer:

Assuming no air resistance, the answer should be C

Explanation:

The thing to note is when the projectile reaches it's highest point, it has lost all of its vertical velocity.

The vertical velocity of this projectile is

u

sin

θ

and since the projectile loses this velocity, it would have a difference of

u

sin

θ

Answer 2

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