subject
Physics, 08.10.2019 01:30 nnnnnhamilton7572

A900-w microwave generator in an oven generates energy quanta of frequency 2560 mhz. (a) how many energy quanta does it emit per second? (b) how many energy quanta must be absorbed by a pasta dish placed in the radiation cavity to increase its temperature by 45.0 k? assume that the dish has a mass of 0.5 kg and that its specific heat is 0.9kcal/kgâ‹…k. (c) assume that all energy quanta emitted by the generator are absorbed by the pasta dish. how long must we wait until the dish in (b) is ready?

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 21:20
The a metal retainer that keeps the rolling elements evenly spaced. n a. seal n b. separator n c. bearing n d outer race
Answers: 1
question
Physics, 22.06.2019 08:30
Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
Answers: 3
question
Physics, 22.06.2019 19:30
Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.
Answers: 1
question
Physics, 22.06.2019 20:30
Acold front traveling southeast collided with a warm front traveling northwest the following map shows the weather on monday the day the two fronts collided which of these describes the weather forecast for mississippi on tuesday and wednesday
Answers: 2
You know the right answer?
A900-w microwave generator in an oven generates energy quanta of frequency 2560 mhz. (a) how many en...
Questions
question
Mathematics, 30.03.2020 16:58