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1. |
A moving bus is brought to rest within 10 s by applying brake. If the retardation due to brake is 5 m/s2, then the initial velocity of bus is: |
A. | 2 m/s |
B. | 0.5 m/s |
C. | 50 m/s |
D. | -50 m/s |
Answer» D. -50 m/s | |