The Kuiper Belt is:
A) another name for the Asteroid Belt.
B) a band of icy planetesimals found beyond Neptune's orbit.
C) where all comets come from.
D) the name given to icy bodies found between Jupiter and Saturn.
E) the name given to icy bodies found between Mars and Jupiter.
B
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vx is the velocity of a particle moving along the x axis as shown. If x = 2.0 m at t = 1.0 s, what is the position of the particle at t = 6.0 s?
?
?
a.
?2.0 m
b.
+2.0 m
c.
+1.0 m
d.
?1.0 m
e.
6.0 m
Steel blocks A and B, which have equal masses, are at TA = 300 °C and TB = 400 °C. Block C, with mC = 2mA, is at TC = 350 °C. Blocks A and B are placed in contact, isolated, and allowed to come into equilibrium. Then they are placed in contact with block C. At that instant,
a. TA = TB < TC. b. TA = TB = TC. c. TA = TB > TC. d. TA + TB = TC. e. TA - TB = TC.
Which is NOT a characteristic of an ideal gas?
a. Its properties and behavior are identical to those of air at atmospheric pressure. b. Its particles have no internal structure. c. Its particles are indestructible. d. Its particles only interact with each other when they collide. e. It consists of an enormous number of tiny particles separated by large distances.
Explain how astronomers find out how much energy is emitted by stars
What will be an ideal response?