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Physics, 06.09.2021 05:20 bcarri4073

1. A boy who can throw a ball with a speed of 10 m/s is standing on a train traveling at a constant speed of 10 m/s. The boy throws the ball to a friend at the rear of the train car.
What is the speed of the ball according to the friend?
a.
b. What is the speed of the ball according to an observer standing on the ground beside the train track?
c. Who is correct, the observer, or the friend?

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