Questions
The trajectory of a projectile in a vertical plane is where a and b are constants and x and y are respectively horizontal and vertical distances of the projectile from the point of projection. The maximum height attained by the particle and the angle of projection from the horizontal are :
detailed solution
Correct option is C
y=ax−bx2For height or y to be maximumdydx=0 or a−2bx=0 or x=a2b (i) ymax=aa2b−ba2b2=a24b (ii) dydx=a−2bxan initial position x = 0dydxx=0=a=tanθθ=tan−1(a)Talk to our academic expert!
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