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1. |
A truck is moving with 40 m/s velocity, a train is moving with a velocity of 80 m/s. How fast is the rain moving with respect to the truck? |
A. | 40 m/s faster |
B. | -40 m/s faster |
C. | 40 m/s slower |
D. | 60 m/s slower |
Answer» B. -40 m/s faster | |