A long nonconducting cylinder (radius = 12 cm) has a charge of uniform density (5.0 nC/m3) distributed throughout its column. Determine the magnitude of the electric field 5.0 cm from the axis of the cylinder
a. 25 N/C
b. 20 N/C
c. 14 N/C
d. 31 N/C
e. 34 N/C
C
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Diane (weight 255 N) is practicing on a tightrope that is 6.00 meters long and sags by 0.120 meters. When she is in the middle of the rope, what is the force on each eyebolt holding the tightrope?
a. 
b. 
c. 
d. 
The shape of the magnetic field around a bar magnet is very close to the shape of the electric field around a single positive charge
Indicate whether the statement is true or false
In general, as you examine stars on the main sequence, going from bottom right to top left, their stellar radii ________
Fill in the blank(s) with correct word
A 125 g pendulum bob hung on a string of length 35 cm has the same period as when the bob is hung from a spring and caused to oscillate. What is the spring’s elastic constant?
A. 1.9 N/m B. 3.5 N/m C. 5.2 N/m D. 27 N/m