Amicrowave is rated at 750 watts. how long will it take the microwave to do 5700 j of work on a cup of water? assume 100% efficiency.

a)
0.13s

b)
2s

c)
7.6s

d)
4,275,000 s

The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information

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

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?