Question

please answer fast ​

Answer 1

Answer:The answer is (1)sin-1(4/5)

Explanation:

y=48t-4.9t^2

y=48(x/36)-4.9(x/36)^2

We know that,

y=xtanΦ-(g/2v^2cos^2Φ)x^2

Considering only y=xtanΦ since we only need the angle.

y=48/36x

y=4/3x

since y=xtanΦ

Therefore tanΦ=4/3

sinΦ=4/5

Φ=sin^-1(4/5)