The average density of the Sun is most similar to which object?
A) the Earth
B) Jupiter
C) Mercury
D) the Moon
E) Halley's Comet's nucleus
B
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The figure shows a distance vs. time graph of an object with three distinct regions, I, II, and III
?
The object’s speed is greatest in region(s)
a.
I.
b.
II.
c.
III.
d.
no regions
Four identical particles (mass of each = 0.40 kg) are placed at the vertices of a rectangle (2.5 m × 4.0 m) and held in those positions by four light rods which form the sides of the rectangle. What is the rotational inertia of this rigid body about an axis that passes through the mid-points of the shorter sides and is parallel to the longer sides?
A. 2.2 kg?m2 B. 2.8 kg?m2 C. 2.5 kg?m2 D. 3.1 kg?m2 E. 1.6 kg?m2
What makes pink ink pink?
a. refraction b. selective absorption c. dispersion d. none of the above
In stainless steel, _________is added to stabilize the austenitic phase.
Fill in the blank(s) with the appropriate word(s).