Physics

Problem

1.5\,\text{kg}

puck slides due east at

4.0\,\text{m/s}

. A second

2.0\,\text{kg}

puck moves at

3.0\,\text{m/s}

60^{\circ}

north of east on the same frictionless surface. Calculate the magnitude of the total linear momentum of the two-puck system.