A boy on a skateboard coasts along at 5 m/s. He has a ball
Chapter 27, Problem 3P(choose chapter or problem)
Problem 3P
A boy on a skateboard coasts along at 5 m/s. He has a ball that he can throw at a speed of 10 m/s. What is the ball’s speed relative to the ground if he throws the ball (a) forward or (b) backward?
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