Answer:
a.Internal temperature change is 90.49°F
b.Internal energy change is -2.43Btu/lbm
Explanation:
The energy balance for this steady-flow system can be expressed as:
Therefore,
#Since:
From tableA-1
#Replacing the values in the equation:
We have that
At 10 m/s, it will take
(2 m)/(10 m/s) =
0.2 sto bridge the gap.
_____
However, it will take an additional 0.514 seconds (0.714 s total) for the policeman to land on the building below. The answer depends on the meaning of the question.
The answer is B high pressure.
Answer:
What is ultraviolet radiation used for? Ultraviolet radiation is useful as both a research tool and a sterilizing technique. It can also be used in fluorescent lamps, which are a more energy-efficient form of artificial lighting compared with incandescent lamps.
Answer:
The overall sky a Bellingham observer would see is about 75-100% over the period of 1 year.
Explanation:
Due to following factors, the overall sky visibility will fall in this range.
- The location of Bellingham on Earth is in the Northern hemisphere over the equator.
- The tilt of the earth cannot allow the visibility of the complete sky.
- The light pollution and aerosol concentrations has reduced the sky visibility at night.