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Physics, 22.06.2019 18:30
An electron in an x-ray machine is accelerated through a potential difference of 1.00 Ć 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?
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Physics, 22.06.2019 21:30
The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?
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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.
Answers: 3
Physics, 23.06.2019 04:00
A200 g lead frying pan gains 2000 joules of heat. what is the change in temperature
Answers: 1
Write an ionic equation for the reaction of acetic acid with sodium ethoxide, and specify whether th...
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