Which planet listed below has the most extreme seasons?
A) Jupiter B) Earth C) Mars D) Uranus
D
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What was the purpose of the IAU establishing 88 official constellations?
a. To allow ancient stories of each constellation to be preserved b. To name all constellations the same across any culture c. To identify which constellation was created by which culture d. To define boundaries for constellations including every part of the sky e. To include additional, fainter stars within a constellation
You stand on your skateboard and exert a 50-N push on the wall next to you. If your mass is 60 kg you'll momentarily accelerate from the wall at about
A) 0.08 m/s2. B) 0.8 m/s2. C) 8.0 m/s2. D) none of the above
Which one [or ones] of the following is a possible final state for a star that has come to the end of its "lifetime" by running out of fuel and then gravitationally collapsing?
A) neutron star B) white dwarf C) black hole D) All of the above. E) None of the above.
A long straight wire is carrying a current of 2.4 A in a region where the magnetic field is perpendicular to the wire. If the magnetic field is 0.52 mT, what is the magnitude of the force on 3.0 m of the wire?
A. 
B. 
C. 
D. 3.7 N
E. 7.2 N