Physics, 30.11.2019 05:31 taviiii3993
If the work put into a lever is 930 joules and the work accomplished is 870 joules, the efficiency of the lever is
107%
100%
94%
60%
Answers: 1
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According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f
Answers: 1
Physics, 22.06.2019 13:00, mandilynn22
Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.
Answers: 1
Physics, 22.06.2019 16:00, alecnewman2002
The energy produced as a result of this flow of electrons from atom to atom is called
Answers: 3
If the work put into a lever is 930 joules and the work accomplished is 870 joules, the efficiency o...
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