A. 2. The following examples are good conductors except:
a. Silver
b. Metal
Plastic
d. Copper ​

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car