Physics, 07.12.2019 10:31 ayoismeisjjjjuan
21. thermal conductors don’t have to be hot to transfer heat. according to ch.16, (pearson physical science concept in action) explain a situation when an ice cube would still transfer heat to another object it is in contact with.
22. what is a medium?
use the following picture to answer question 31: (attached)
31. the bars in the drawing above are magnets. according to chapter 21, which of the following picture(s) is true? explain. then explain why the other 2 pictures are incorrect. make sure to explain all 3 sets.
32. based on how the book describes a heat pump in sec 16.3, how does a heat pump prove the law of conservation of energy? hint: think about a refrigerator.
Answers: 1
Physics, 21.06.2019 20:20
Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?
Answers: 1
Physics, 21.06.2019 22:30
Distinguish between a transverse wave and a longitudinal wave.
Answers: 1
Physics, 23.06.2019 00:30
Which of the following conditions lead you to see an absorption line spectrum from a cloud of gas in interstellar space? the cloud is extremely hot. the cloud is visible primarily because it reflects light from nearby stars. the cloud is cool and lies between you and a hot star. the cloud is cool and very dense, so that you cannot see any objects that lie behind it.
Answers: 3
21. thermal conductors don’t have to be hot to transfer heat. according to ch.16, (pearson physical...
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