Question

Two shells were fired one after another with the same initial velocity from a point on the ground, but at different angles with horizontal. Both hit the ground target, 1920 m away. There was a wall of height 115/2 m at some distance from the point of firing. The first shell just grazed the top of the wall, the second shell comfortably cleared the wall by a margin of 7/9 times the height of the wall. How far away is the wall from the point of firing (g = 10m/s^2)
A) 1840 m
B) 90 m
C) 1700 m
D) 75 m​ Please provide the way of doing it also​

Answer 1

Step-by-step explanation:

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