CE and DF are two walls of equal height (20 meter) from which two particles A and B of same mass are projected as shown in the figure. A is projected horizontally towards left while B is projected at an angle 37 0 (with horizontal towards left) with velocity 15 m/sec. If A always sees B to be moving perpendicular to EF, Then the range of A on ground is :
Text Solution
Verified by ExpertsThe correct answer is:
A
From given conditions
V A = V B cos37 0 = 
= 12 m/sec.
∴ time of flight of A (t)= 
= 2 sec.
⇒ Range = V A t = 24 m
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