Exercise

• Suppose you are on an airplane travelling at constant velocity with a speed of 500 miles per hour (roughly 200 m/s)

• If you throw a ball straight up, does it return to you?

• How does it appear to you?

• How does the path of the ball look to an observer on the ground?

• Can you think of any experiment done inside the airplane that would detect the motion of the airplane at constant velocity?

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