Potential Energy: The figure shows a group of three particles, all of which have charge Q = 8.8 nC. How much work did it take to assemble this group of charges if they all started out extremely far from each other? (k = 1/4??0 = 9.0 × 109 N ? m2/C2) 
A. 5.5 × 10-5 J
B. 6.2 × 10-5 J
C. 5.7 × 10-5 J
D. 5.9 × 10-5 J
Answer: A
Physics & Space Science
You might also like to view...
A(n) _______________is something that is held to be obviously true and needs no further examination
Fill in the blank(s) with correct word
Physics & Space Science
A 100-W resistance heater is connected to a 110-V dc source. What current flows through the heater?
A) 1.1 A B) 2.2 A C) 3.3 A D) 4.4 A E) 0.91 A
Physics & Space Science
Metric system: How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7 × 107 calculations per second?
A. 15 ns B. 67 ns C. 11 ns D. 65 ns
Physics & Space Science
Amateur astronomers have contributed to the understanding of impact events on Jupiter
Indicate whether the statement is true or false
Physics & Space Science