MCQOPTIONS
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| 1. |
Five gas molecules chosen at random are found to have speeds of 500, 600, 700, 800 and 900 m/s |
| A. | the root mean square speed and the average |
| B. | the root mean square speed is 14 m/s higher than the average speed. |
| C. | the root mean square speed is 14 m/s lower than the average speed. |
| D. | the root mean square speed is \[\sqrt{14}\text{ m/s}\]higher than the average speed. |
| Answer» C. the root mean square speed is 14 m/s lower than the average speed. | |