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Two cars move the same way at 60 km/h and 40 km/h. Relative speed is
A100 km/h
B50 km/h
C40 km/h
D20 km/h
Answer & Solution
Correct answer: D. 20 km/h
For motion in the same direction, relative velocity is the difference, 60 - 40 = 20 km/h.
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