Momentum & Angles Homework: Find Total Momentum

[SuperCass]

Homework Statement

A golf ball of mass 0.045 kg is moving in the +x-direction with a speed of 6.10 m/s, and a baseball of mass 0.145 kg is moving in the -y-direction with a speed of 2.20 m/s. What are the magnitude and direction of the total momentum of the system consisting of the two balls?

_________kg·m/s

_________° (from the +x axis)

Homework Equations

P=mv and I'm not sure what else...

The Attempt at a Solution

My teacher said that we should be able to teach ourselves momentum, so as one might be able to tell, I'm not sure where to start.
I tried doing (.045x6.1) + (.145x2.2) = P, but that didn't work. How should I start? Are there other equations I should know?

Thank you so much for your help!

 

[BAnders1]

Did you learn about center of mass? I'm sure your textbook probably has a section on it. The momentum of the system is the same as the momentum of the center of mass of the system.

 

[Redbelly98]

The Attempt at a Solution

My teacher said that we should be able to teach ourselves momentum, so as one might be able to tell, I'm not sure where to start.
I tried doing (.045x6.1) + (.145x2.2) = P, but that didn't work. How should I start? Are there other equations I should know?

Thank you so much for your help!

Momentum is a vector, with the same direction as the velocity of the object. You need to add the two momenta as vectors; don't simply add (.045x6.1)+(.145x2.2).

 

[SuperCass]

I just solved it, thank you everyone!

(I did pythagorean theorum and for the angle I just did tangent!)