Solve the Problem $512 \mathrm {~m} / \mathrm { sec }$

Multiple Choice

Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surface
-A projectile is fired with an initial speed of $512 \mathrm {~m} / \mathrm { sec }$ at an angle of $45 ^ { \circ }$ . What is the greatest height reached by the projectile? Round your answer to the nearest tenth.

A) 26,749.4 m
B) 6687.3 m
C) 73.9 m
D) 65,536.0 m