Question: In a projectile motion, the horizontal range and the maximum height attained by the projectile are equal. a) What is the launch angle? b) if

In a projectile motion, the horizontal range and the maximum height attained by the projectile are equal.
a) What is the launch angle?
b) if everything else stays the same, how should the launch angle, θ0, of the projectile be changed for the range to be halved?

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