Questions
The equation of motion of a projectile are given by x = 36 t m and 2y = 96 t 9.8 t2 m. The angle of projection is
a
sin-145
b
sin-135
c
sin-143
d
sin-134
detailed solution
Correct option is A
It is given that, x = 36 t∴ vx=dxdt=36 ms-1 and y=48t-4.9t2∴ vy=48-9.8t At t=0 ,vx=36 ms-1 and vy=48 ms-1So, angle of projection, θ=tan-1vyvx =tan-14836=tan-143or θ=sin-145Talk to our academic expert!
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