A student is pushing a box across the room. To push the box three times farther, the student needs to do how much work?

The mini-refrigerator fire was most likely caused by what type of wiring?

What are some properties of transverse waves?

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill