What is dark matter? what is dark matter? matter for which we have theoretical reason to think it exists, but no observational evidence for its existence matter consisting of black holes matter that may inhabit dark areas of the cosmos where we see nothing at all matter that we have identified from its gravitational effects but that we cannot see in any wavelength of light
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Physics, 21.06.2019 22:00
Explain what makes a passenger in a turning car slide toward the door. critical thinking
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Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
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Physics, 22.06.2019 12:30
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
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Physics, 22.06.2019 17:30
Heterogeneous mixture with larger particles that never settle is
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What is dark matter? what is dark matter? matter for which we have theoretical reason to think it...
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