If an object were released in space far away from planets or stars and given an initial momentum (mv), describe what would happen to that object.

This is a perfect time to review Newton's first law of motion:

"A body remains in uniform motion until acted on by an external force."

Uniform motion means zero acceleration, and THAT means
constant speed in a straight line.

The way you described your object, there's no external force
acting on it.  So it continues in uniform motion ... straight line,
constant speed, constant momentum, zero acceleration.

Answer: fn = wcos50 = 38.89(9.81)(cos50) = 245.23 n