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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.
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Physics, 23.06.2019 02:00
Which of the following is the largest disadvantage of about half of the electricity in the united states comes from burning
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Physics, 23.06.2019 03:20
When a pendulum is held high and taut and then is released, the pendulum begins to swing. whatβs the correct order of the energy transformations in this example? (pe stands for potential energy.)
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Physics, 23.06.2019 07:30
Suppose that the half-life of an element is 1000 years. how many half-lives will it take before one-eighth of the original sample remains? 8 125 12.5 3
Answers: 2
A stone slides across the ice collides with a stick. Compare two ways the stone could hit the stick....
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