Positive pressure relative to adjacent spaces

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1. In 1998, owing to a mix-up over units, the NASA Mars Climate Orbiter veered off-course and was lost. What was the mix-up?

2. Operating rooms in hospitals typically have a positive pressure relative to adjacent spaces. What does this mean and why is it done?

3. The driver's compartment of race cars can reach 60°C during a race. Why?

4. You may have used the mass unit slug in previous engineering or physics courses. What is the relation between the slug and pound mass? Is the slug a convenient mass unit?

5. Based on the macroscopic view, a quantity of air at 100 kPa, 20°C is in equilibrium. Yet the atoms and molecules of the air are in constant motion. How do you reconcile this apparent contradiction?

6. Laura takes an elevator from the tenth floor of her office building to the lobby. Should she expect the air pressure on the two levels to differ much?

7. How do dermatologists remove pre-cancerous skin blemishes cryosurgically?

Reference no: EM13949465

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Positive pressure relative to adjacent spaces : 1. In 1998, owing to a mix-up over units, the NASA Mars Climate Orbiter veered off-course and was lost. What was the mix-up? 2. Operating rooms in hospitals typically have a positive pressure relative to adjacent spaces. What does this mean and why i..

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