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1. |
The equation of motion of a particle starting from rest along a straight line is = - 3 + 5. The ratio of the velocities after 5 sec and 3 sec will be |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
E. | 4.5 |
Answer» E. 4.5 | |