Imagine that the magnet is moving downward instead of upward. 
In this situation, specify the directions of each of the vector quantities described below. Use the answer chart provided above and to the right (note that answers B and E refer to the +y and -y directions, respectively). What is the direction of 
at the origin (point O)?
A. A
B. B
C. C
D. D
E. E
F. F
T. Zero
D. D
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Most of the mass of a galaxy is contained in the
a. massive O and B stars in the galaxy. b. H I regions of the galaxy. c. H II regions of the galaxy. d. dark matter of the galaxy. e. disk of the galaxy.
Answer each of the following questions to compare the two plots.
a) Which plot, if either, better shows mass and radius information for all the planets? b) Which plot, if either, better emphasizes the differences between Jupiter and Saturn? c) Which plot, if either, could more easily be extended to show a planet with twice Jupiter's mass or radius?
In diagrams of magnetic fields, the symbol
is used to represent
A. the region of no magnetic field. B. the north magnetic field. C. the magnetic field coming out of the paper. D. the magnetic field going into the paper. E. the magnetic field.
A bridge that was 10.4 m long has been washed out by the rain several days ago. How fast must a car be going to successfully jump the stream, if we neglect air resistance? Although the road is level on both sides of the bridge, the road on the far side is 3.00 m lower than the road on this side
a. 18.8 m/s b. 13.3 m/s c. 10.9 m/s d. 26.6 m/s e. 14.3 m/s