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The following physics responses are provided by a student and, as such, should be considered in that context. While every effort is made for accuracy, absolute correctness cannot be fully guaranteed.
| C | I | Question | Answer |
|---|---|---|---|
| 10 | With molar quantity and temperature held constant, by what factor does the pressure of an ideal gas change when the volume is five times bigger? | 0.2 | |
| 10 | With volume and molar quantity held constant, by what factor does the absolute temperature change for an ideal gas when the pressure is five times bigger? | 5.0 | |
| 14 | You stand by the railroad tracks as a train passes by. You hear a 1 000-Hz frequency when the train approaches, which changes to 800 Hz as it goes away. How fast is the train moving? The speed of sound in air is 340 m/s. | 37.8 m/s | |
| 5 | Yuri, a Russian weightlifter, is able to lift 250 kg 2.00 m in 2.00 s. What is his power output? | 2.45 kW |