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Physics, 22.06.2019 01:30
The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?
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Physics, 22.06.2019 02:30
Which of the following is not am example of a polymer? protein nylon kevlar concreta
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Physics, 22.06.2019 06:00
When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.
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Which of the following elements is classified as a metal? a bromine b helium c sulfur d lithium...
Physics, 24.06.2019 08:10
Physics, 24.06.2019 08:10
Physics, 24.06.2019 08:10
Physics, 24.06.2019 08:10
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