Question

Shots fired simultaneously from the top and foot of a vertical cliff at elevations of 30° and 60° respectively
strike an object simultaneously which is at a height of 100 meters from the ground and at a horizontal
distance of 200√3 meters from the cliff. Find the height of the clift, the velocities of projection of the shots
and the time taken by the shots to hit the object. (g = 10 m/sec)

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Answer 1

ans should be.....

H=400m, V1= 40m/s, V2=400(3)^1/2, t=10 s

Answer 2

answer should be 400 m,40m/s