A roller coaster cart of mass 50 kg is placed at Point 1 at a height 4.0 m above the ground as shown above, and is released from rest. It slides with negligible friction down the track, around the inside of the loop of radius 1.5 m and continues along the rest of the track.

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

Energy flows from the producer level to the level. is called