A test charge of +5 µC is placed halfway between a charge of +6 µC and another of +9 µC separated by 14 cm. (a) What is the magnitude of the force (in N) on the test charge?

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

Which best describes the difference between internal and thermal energy?