The graph below plots the escape velocity of each planet along the vertical axis and its surface temperature along the horizontal. The lines plotted in the figure are the speeds of the fastest gas particles as a function of temperature for various gases. Which of the gases plotted in the diagram could be retained in the atmosphere of Mars?
C
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When water freezes, the entropy of the water
A. increases. B. decreases. C. does not change. D. depending on other factors could increase or decrease
A 7.0-? resistor is connected across the terminals of a battery having an internal emf of 10 V. If there is a 0.50-A current through the circuit, what is the internal resistance of the battery?
A) 13 ? B) 20 ? C) 10.8 ? D) 27.0 ?
A narrow light beam in vacuum contains light of two wavelengths, 480 nm and 700 nm. It strikes a flat piece of glass at an angle of incidence of 60.000°. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm
Determine the angle between the two wavelengths as the light travels in the glass.
If a solid iron ball is dropped at the surface of the deepest spot in the ocean (the Marianis Trench, about 11 km deep) what would you expect to happen?
1.It would sink to the bottom. 2.It would sink, but it would remain suspended at some great depth before reaching the bottom. 3.It would float near the surface because it is so deep here. 4.It is impossible to tell.