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1. |
An electron has a constant acceleration of 3.2 m/s2, At a certain instant, its velocity is 9.6 m/s. The velocity of the electron 2.5 s earlier was |
A. | 3.6 m/s |
B. | 1.6 m/s |
C. | 2.4 m/s |
D. | 1.9 m/s |
Answer» C. 2.4 m/s | |