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Adam ( mA = 80 Kg) and Barbara (mB = 60 Kg) are initially together at rest on an ice rink. When they push each other part, Adam moves with velocity vA = (3 m/s)î - (9 m/s)jˆ. Assuming that there is no friction from the ice, what is Adam’s velocity?
[a] (-4 m/s)î + (12 m/s)jˆ
[b] (4 m/s)î - (12 m/s)jˆ
[c] (-9/4 m/s)î + (24/7 m/s)jˆ
[d] (3 m/s)î - (9 m/s)jˆ
[e] (4 m/s)î + (12 m/s)jˆ
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Our tutors have indicated that to solve this problem you will need to apply the Push-Away Problems concept. You can view video lessons to learn Push-Away Problems. Or if you need more Push-Away Problems practice, you can also practice Push-Away Problems practice problems.
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Based on our data, we think this problem is relevant for Professor Galeazzi's class at UM.