A long nonconducting cylinder (radius = 12 cm) has a charge of uniform density (5.0 nC/m3) distributed throughout its volume. Determine the magnitude of the electric field 15 cm from the axis of the cylinder
a. 20 N/C
b. 27 N/C
c. 16 N/C
d. 12 N/C
e. 54 N/C
b
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Since the planet receives a net of about 100 W/m2, would a change of 4 W/m2 be considered substantial? Explain. (Chapter 17 shows that this is the size of the greenhouse effect.)
What will be an ideal response?
Two particles collide, one of them initially being at rest. Is it possible for both particles to be at rest after the collision?
a. If the collision is perfectly inelastic, then this happens. b. If the collision is elastic, then this happens. c. This can happen sometimes if the more massive particle was at rest. d. No.
Which is correct?
A.) 24 different kinds of quarks. B.) 12 kinds of quarks and the corresponding 12 kinds of antiquarks. C.) 24 kinds of antileptons. D.) 6 kinds of quarks and the corresponding 6 antiquarks, and 6 kinds of leptons and their 6 corresponding antileptons. E.) 3 quarks and the corresponding 3 antiquarks, 3 leptons and the corresponding 3 antileptons, and 12 other antileptons.
A refrigerator is actually a ________ (two words) running in reverse.
Fill in the blank(s) with the appropriate word(s).