# A particle is projected with a velocity 200 ms−1 at an angle of 60°. At the highest point, it explodes into three particles of equal masses. One goes vertically upwards with a velocity 100 ms −1 , the second particle goes vertically downwards. What is the velocity of third particle?

Question : A particle is projected with a velocity 200 ms−1 at an angle of 60°. At the highest point, it explodes into three particles of equal masses. One goes vertically upwards with a velocity 100 ms −1 , the second particle goes vertically downwards. What is the velocity of third particle?

(A) $120ms^{-1}$ making 60° angle with horizontal

(B) $200ms^{-1}$ making 60° angle with horizontal

(C) $300ms^{-1}$

(D) $2O0ms^{-1}$