(Solved): can you do 1,2,3 1) A nurse measures the temperature of a patient to be 40C. What is this tempera ...

1) A nurse measures the temperature of a patient to be $40^{?}\mathrm{C}$. What is this temperature in the Fahrenheit scale? a) 99 b) 104 c) 85 d) 109 2) A diver has her lungs full of air and is holding her breath as she rises from the deep to the surface. Assume that the temperature $T$ of the air in the lungs and also the moles of air molecules $n$ remain constant. As she rises to the surface, the air pressure in her lungs is reduced by a factor of $1/3$. According to the ideal gas law, the volume of air in the lungs should a) Double b) Triple c) Quadruple d) Reduce in half e) Stay the same 3) A $4.55\mathrm{kg}$ block of iron is suspended from a scale and immersed in water, as in the figure. The dimensions of the block are 12.0 $\mathrm{cm}\times 8.0\mathrm{cm}\times 8.0\mathrm{cm}$. The $12.0\mathrm{cm}$ dimension is vertical, and the top of the block is $5.00\mathrm{cm}$ below the surface of the water. Use this to answer the following questions: What is the magnitude if the force exerted on the top of the block by the water only (ignore pressure from the atmosphere)? a) $3.1\mathrm{N}$ b) $5.2\mathrm{N}$ c) $302\mathrm{N}$ d) $0.0021\mathrm{N}$