Which of the following are good conductors? A. Gold
B. A penny
C. Rubber
D. Paper
E. Air
F. A silver bracelet

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.

b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle

= initial pressure

= final pressure = 2

= initial volume

= final volume = /4

= initial temperature = 20 c = 20 + 273 = 293 k

= final temperature = ?

using the equation