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A family is skating. The father (85 kg) skates at 8.6 m/s and collides and sticks to the mother (65 kg), who...

A family is skating. The father (85 kg) skates at 8.6 m/s and collides and sticks to the mother (65 kg), who was initially moving at 3.0 m/s and at 45° with respect to the father's velocity. The pair then collides with their daughter (30 kg), who was stationary, and the three slide off together. What is their final velocity? (Enter the magnitude in m/s and the direction in degrees with respect to the father's initial velocity.)


magnitude = ?? m/s
direction = ?? ° with respect to the father's initial velocity


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