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}

Answer : option (C)

Solution :

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?
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