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NikNik NikNik
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Posts: 358
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A year ago
While in an airplane flying at 100 km/h you look down from the window and spot another airplane flying at the same speed in the opposite direction. Relative to you, the speed of the spotted plane is
A) zero.
B) 100 km/h.
C) 150 km/h.
D) 200 km/h.
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