Imagine that a circuit breaker opened the circuit every time that you operated the light, coffee maker, and microwave at the same time. What could be causing this?

Phase changes are chemical changes. true or false

Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h

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