Physics
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| The Sun is about 1.5 × 1011 m away. The time for light to travel this distance is about: A. 4.5 × 1018 s B. 8 s C. 8 min D. 8 hr E. 8 yr | C, Chapter 33: ELECTROMAGNETIC WAVES, Q 10 |
| Suppose A = BC, where A has the dimension L/M and C has the dimension L/T. Then B has the dimension: A. T/M B. L2/TM C. TM/L2 D. L2T/M E. M/L2T | A, Chapter 1: MEASUREMENT, Q 27 |