A 8.4-kg mass is placed at (3.0, 4.0) m. Where can a 4.2-kg mass be placed so that the moment of inertia about the z axis is zero?
a. (-3.0, -4.0) m
c. (-1.5, -2.0) m
b. (-6.0, -8.0) m
d. There is no position giving this result.
D
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A) less than escape speed from Earth. B) more than escape speed from Earth. C) any sustained speed if time isn't a factor.
In the Tharsis region of Mars we find
A) a huge impact basin B) heavily cratered highlands C) smooth rolling plains D) huge shield volcanoes like Olympus Mons
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A 5.00 kg mass is located at (1.0 m, 0.00 m, 3.00 m), a 2.00 kg mass is located at (0.00 m, 3.00 m, – 2.00 m), and a 3.00 kg mass is located at (–1.0 m, –2.00 m , 0.00 m). The center of gravity of the system of masses is
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