Which of the following is not a part of an electromagnet?

electricity source

metallic core

coiled wire

paper clips

What is the mass of the same rock on the earth

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers