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Please help 1. A 0.25-kg snowball moving at 15 m/s [E] collides and sticks with a 1.9-kg toy truck travelling at 2.8 m/s [W]. Calculate

Please help

1. A 0.25-kg snowball moving at 15 m/s [E] collides and sticks with a 1.9-kg toy truck travelling at 2.8 m/s [W]. Calculate the velocity of the snowball-truck system after the collision. [3 marks] 2. A robin of mass 150 g uses 10 J of energy and speeds up to 15 m/s in level flight. Calculate the initial speed of the robin. [3 marks]

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