Charge A has 10 electric field lines coming out, Charge B has 20 lines coming out, and Charge C has 30 lines coming in. Which pair of these charges will have the largest force between them if placed one cm apart?
a. A and B
b. B and C
c. C and A
d. More information is needed.
b
Physics & Space Science
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What force drives the planets along their orbits?
a. magnetism b. no force is needed to drive them along their orbits c. gravity d. solar wind
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An object is placed 15 cm in front of a diverging lens whose focal length is 12 cm. Where will the image be located (in cm)?
a. -6.7 b. -7.2 c. -0.15 d. -60 e. -5.0
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Which of these is an inherent, unchanging property of any given solid or liquid material?
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