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Two children, A and B, are sliding on a frozen frictionless pond when they collide and stick together because they have Velcro strips on their jackets. A has a mass of 25.0 kg and an initial speed of 1.80 m/s and B has a mass of 35.0 kg. The final speed of the two children when they are stuck together is 1.50 m/s. Calculate (a) the initial speed of B and (b) the angle at which the children move off.
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Transcribed Image Text:Two children, A and B, are sliding on a frozen frictionless pond when they collide and stick together because they have Velcro strips on their jackets. A has a mass of 25.0 kg and an initial speed of 1.80 m/s and B has a mass of 35.0 kg. The final speed of the two children when they are stuck together is 1.50 m/s. Calculate (a) the initial speed of B and (b) the angle at which the children move off.
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Step 1: Identifying the physical quantities in question
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Step 2: Explanation of conservation of linear momentum
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Step 3: Calculation for initial velocity of child B
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Step 4: Explanation of angle between children after lay off
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