A 55.0 kg man is ice-skating due north with a velocity of 5.90 m/s when he collides with a 36.0 kg child. The man and child stay together and have a velocity of 2.50 m/s at an angle of 31.0° north of east immediately after the collision. What was the velocity of the child just before the collision?
Magnitude: m/s
Direction: ° north of east