5. A 55 kg skater is moving at 15msin the (−ˆy) direction on a frictionless rink throws a 3 kg ball in the (+ˆx)direction, giving the ball a velocity of 8 m/s. (a) What is the velocity of the skater immediately after? (b) The throw lasted 0.6 seconds. What was the force of the throw?

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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5. A 55 kg skater is moving at 15msin the (−ˆy) direction on a frictionless rink throws a 3 kg ball in the (+ˆx)direction, giving the ball a velocity of 8 m/s.

(a) What is the velocity of the skater immediately after?

(b) The throw lasted 0.6 seconds. What was the force of the throw?

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