State the law of conservation of electric charge
What will be an ideal response?
The net amount of electric charge produced in any process is zero.
or
No net electric charge can be created or destroyed.
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What is the difference in meaning between the terms weather and climate?
A) Weather refers to local conditions, and climate refers to global conditions. B) Weather refers to short-term variations in conditions, and climate refers to long-term variations in conditions. C) Weather refers to small storms, and climate refers to large storms. D) Weather refers to wind and rain, and climate refers to processes like convection. E) There is no difference between weather and climate.
Reverberation of sound occurs for
A) sound interference. B) forced vibrations. C) re-echoed sound. D) resonance. E) none of the above
Monochromatic coherent light shines through a pair of slits. If the wavelength of the light is decreased, which of the following statements are true of the resulting interference pattern? (There could be more than one correct choice.)
A) The distance between the minima stays the same. B) The distance between the maxima decreases. C) The distance between the maxima stays the same. D) The distance between the minima decreases. E) The distance between the minima increases.
Exhibit 12-1
The figure below shows a graph of angular velocity versus time for a woman bicycling around a circular track.
?
?
Use this exhibit to answer the following question(s).
Refer to . How many revolutions does she complete in the 16-minute period?
a.
8
b.
12
c.
16
d.
20
e.
40