Question

An Electromagnetic Railgun launches a projectile from the deck of a Naval Destroyer. Six minutes later, the projectile penetrates the ceiling wall of an underground military bunker 200.0 nautical miles away from the launch point. How many degrees above the horizontal is the projectile launched?

The answer to this question is supposedly 74.7 but I don't know how to work it out

Answer 1

= 37040 m. 1ク