In 2008 the Phoenix spacecraft landed in the Martian arctic and found water ice
A) on the surface
B) deep beneath the surface
C) just below the surface
D) was nowhere to be found
C
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Isotopic analysis of meteorites suggests the Earth and the rest of the solar system formed
A) 3.85 billion years ago B) 4.57 billion years ago C) 4.38 billion years ago D) 4.02 billion years ago
What is the origin of Io's volcanism?
What will be an ideal response?
As you know, the earth has an orbital period of 1.0 year at an orbital radius of 1.0 AU (astronomical unit, the average distance between the earth and the sun)
If a new "minor planet" were to be found in a circular orbit with radius 13 AU, what would be its orbital period?
Angular and Linear Quantities: A child is riding a merry-go-round that has an instantaneous angular speed of 1.25 rad/s and an angular acceleration of 0.745 rad/s2. The child is standing 4.65 m from the center of the merry-go-round. What is the magnitude of the linear acceleration of the child?
A. 8.05 m/s2 B. 7.27 m/s2 C. 2.58 m/s2 D. 3.46 m/s2 E. 4.10 m/s2