Chemistry, 11.07.2019 13:30 celestemaria0727
Astone is dropped from the roof of a building; 2.00s after that, a second stone is thrown straight down with an initial speed of 25.0m/s, and the two stones land at the same time. how long did it take the first stone to reach the ground? how high is the building? what are the speeds of the two stones just before they hit the ground?
Answers: 1
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In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right
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Drug abuse will not lead to physical and psychological dependence. true or false ?
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Ethyl alcohol, also known as ethanol, has a density of 0.79 g/ml. what is the volume, in quarts, of 1.95 kg of this alcohol?
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Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.
Answers: 1
Astone is dropped from the roof of a building; 2.00s after that, a second stone is thrown straight...
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