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
Physics & Space Science
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A step-up transformer has an input voltage of 110 V (rms). There are 100 turns on the primary and 1500 on the secondary. What is the output voltage?
a. 1 600 V (max) b. 1 650 V (rms) c. 3 260 V (max) d. 165 kV (rms) e. 7.3 V (rms)
Physics & Space Science
New incandescent bulbs are more efficient than older types of incandescent bulbs
What will be an ideal response?
Physics & Space Science
Addition by 1. Components: Three forces, 
1, 
2, and 
3, each of magnitude 70 N, all act on an object as shown in the figure. The magnitude of the resultant force acting on the object is 
A. 35 N. B. 70 N. C. 140 N. D. 210 N. E. 0 N.
Physics & Space Science
The planet in our solar system with the highest average surface temperature is ________
A) Venus B) Earth C) Neptune D) Mercury
Physics & Space Science