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1. |
A car moves 25 units in the positive X direction and 75 units in negative Y direction starting from the origin in 25 seconds. What is the velocity vector of the car? |
A. | 3ĵ |
B. | 3 ĵ |
C. | + 3ĵ |
D. | 3 + ĵ |
Answer» B. 3 ĵ | |