Physics, 03.08.2019 21:00 cbender30p860we
Earth and all of the air in the atmosphere around it make up an incredibly complex system. energy is constantly changing forms in many different ways. how would scientists most likely describe the system of the earth in regard to energy? earth is an isolated closed system because energy only escapes the system as heat travels into space. earth is an isolated closed system because the atmosphere allows energy from the sun to enter as heat. earth is an open system because the atmosphere stops energy from escaping into space. earth is an open system because heat energy from the sun enters through the atmosphere.
Answers: 1
Physics, 22.06.2019 05:40
The difference between a red shift and a blue shift has to do with wavelength frequency. t or f
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Physics, 22.06.2019 07:30
Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?
Answers: 1
Physics, 22.06.2019 15:20
Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?
Answers: 2
Physics, 22.06.2019 16:30
In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.
Answers: 3
Earth and all of the air in the atmosphere around it make up an incredibly complex system. energy is...
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