What is the approximate average temperature of the Sun's surface?
a. 5000oC
b. 5800 K
c. 10,000oC
d. 6400 K
e. 5800oC
b
You might also like to view...
The S.I. unit used in expressing magnetic field strength is the ________.
Fill in the blank(s) with the appropriate word(s).
In the figure, the coefficient of kinetic friction between the surface and the larger block is 0.20, and the coefficient of kinetic friction between the surface and the smaller block is 0.30. If F = 14 N and M = 1.0 kg, what is the magnitude of the acceleration of either block?
a.
2.0 m/s2
b.
1.3 m/s2
c.
1.5 m/s2
d.
1.8 m/s2
e.
3.5 m/s2
One hundred lbm of air in a pressure tank is cooled from 180ºF and 160 psia to 80ºF when the surroundings are at 70ºF. Determine the tank pressure at 80ºF.
What will be an ideal response?
DNA is important to a cell because
a. DNA is the cell membrane that allows nutrients to enter the cell and waste to leave. b. DNA contains the information necessary to make all of the molecules required by the organism. c. DNA contains the information necessary for the cell to reproduce itself. d. all of the above e. b and c above