# A particle is projected from the ground with an initial speed of 𝑣 at an angle θ with horizontal. The average velocity of the particle between its point of projection and highest point of trajectory is

Question: A particle is projected from the ground with an initial speed of 𝑣 at an angle θ with horizontal. The average velocity of the particle between its point of projection and highest point of trajectory is

(A) $\dfrac{v}{2}\sqrt{1+2\cos ^{2}\theta }$

(B) $\dfrac{v}{2}\sqrt{1+\cos ^{2}\theta }$

(C) $\dfrac{v}{2}\sqrt{1+3\cos ^{2}\theta }$

(D) 𝑣 cos θ