There are positive and negative magnetic charges, analogous to positive and negative electric charges
a. True
b. False
Indicate whether the statement is true or false
False
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Doubling the weight suspended vertically from a coil spring will result in a change in the displacement of the spring's lower end by what factor?
a. 4.0 c. 2.0 b. 3.0 d. 0.5
If you think of a battery as an electric charge ‘pump,' the battery voltage is analogous to
a. rate of fluid flow b. pressure c. flow velocity d. water e. none of the above
Which type of focus is most common for larger telescopes?
a. Cassegrain focus b. Galilean focus c. Newtonian focus d. Copernican focus e. Schmidt-Cassegrain focus
A car rolls down an incline starting from rest. A graph of position versus time is made for this motion. One can get the
A. distance traveled from the slope of the graph. B. instantaneous velocity from the slope of the graph. C. acceleration from the area under the graph. D. acceleration from the slope of the graph. E. velocity from the area under the graph.