Momentum Physics: How do I solve this?

Anonymous
I sound dumb but my physics teacher honestly can't explain anything and I just need someone to clarify this. I know that p = mv but I honestly don't really understand how they got to the answer.

Someone help?
Updates
+1 y
QUESTION: A 588N halfback is moving eastward at 9m/s. What is their momentum?

Answer: 539.45 kg m/s

How do I get to the answer?
Momentum Physics: How do I solve this?
1 Opinion