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1. |
An object travels 15 m in 4s and then another 16 m in 2s. What is the average speed of the object? |
A. | 5.17 s-1 |
B. | 5.17 ms-1 |
C. | 6.17 ms-1 |
D. | 5.17 m |
Answer» C. 6.17 ms-1 | |