A projectile is launched up and to the right over flat, level ground. Its range is equal to half of its maximum elevation above the ground. What was the angle between its initial velocity and the ground? Ignore air resistance.


° above the horizonontal

2 answers

max H = Vo^2 sin^2(Θ) / 2g

range = Vo^2 sin(2Θ) / g

2 Vo^2 sin(2Θ) / g = Vo^2 sin^2(Θ) / 2g

4 sin(2Θ) = sin^2(Θ)

solve for Θ
How can I solve for theta when there is no number A projectile is launched up and to the right over flat, level ground. Its range is equal to half of its maximum elevation above the ground. What was the angle between its initial velocity and the ground? Ignore air resistance.

° above the horizonontal