The Graph Below Plots the Escape Velocity of Each Planet

question 64

Multiple Choice

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 average speeds of gas particles as a function of temperature for various gases. Which of the planets plotted in this diagram has the greatest escape velocity?

• A) Mars
• B) Moon
• C) Mercury
• D) Venus
• E) Earth

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