Solve the Problem

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
-Find the muzzle speed of a gun whose maximum range is 18.8 km. Round your answer to the nearest tenth.

A) 13.6 km/sec
B) 14.1 km/sec
C) 184.2 km/sec
D) 184.7 km/sec