A Careful Photographic Survey of Jupiter's Moon Io by the Spacecraft

question 20

Multiple Choice

A careful photographic survey of Jupiter's moon Io by the spacecraft Voyager 1 showed active volcanoes spewing liquid sulfur to heights of 70 km above the surface of this moon.If the value of g on Io is 2.0 m/s²,estimate the speed with which the liquid sulfur left the volcano.

• A)260 m/s
• B)530 m/s
• C)790 m/s
• D)970 m/s

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