The angle at which a projectile must be fired to cover maximum range is
-
A.
30° -
B.
45° -
C.
60° -
D.
90°
Correct Answer: Option B
Explanation
The formula is (frac{v^{2}sin2theta}{g})
And the sine graph is highest at 1 with its inverse as 90°. Hence, (2theta) = 90°
(theta) = 45°