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1. |
The angular speed of a body is 2rpm. What should be the angular acceleration for the angular speed to double up in 5s? |
A. | -2 /75 rad/s<sup>2</sup> |
B. | - /75 rad/s<sup>2</sup> |
C. | /75 rad/s<sup>2</sup> |
D. | 2 /75 rad/s<sup>2</sup> |
Answer» D. 2 /75 rad/s<sup>2</sup> | |