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Two skaters collide and embrace in an inelastic collision. Alex's mass is 90 kg and his...

Two skaters collide and embrace in an inelastic collision. Alex's mass is 90 kg and his initial velocity is 1.5 m/s i . Barbara's mass is 57 kg and her initial velocity is 2.0 m/s j . After the collision, the two skaters move together at a common velocity. Use conservation of momentum to find their final speed.

A.

2.0 m/s
B.

1.7 m/s
C.

1.6 m/s
D.

1.5 m/s
E.

1.2 m/s
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