John and Haven move a large bookcase from the bedroom to the living room. The bookcase has
a mass of 45 kg. They apply a force of 300 N to move the bookcase 8 m. It takes them 20
Beconds to move the bookeane (Use correct units in all answers.)
a low much work do they do to move the bookease? (3 points)
What is their power? (3 points)

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

Explain what will happen if decomposers were apsent from a forest ecoysystem.

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