APFIVE Relative Velocity in One Dimension
An observer on a train moving at constant velocity of 30 m/s eastward sees a bird flying alongside the train at what appears to be 0 m/s relative to their window. How would an observer standing on the ground describe the bird’s motion?
A
Moving eastward at 60 m/s
B
Stationary (0 m/s)
C
Moving eastward at 30 m/s
D
Moving westward at 30 m/s
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