Physics, 02.10.2019 16:20 awkwardness92
Each of two small spheres is charged positively, the total charge being 52.6 µc. each sphere is repelled from the other with a force of 1.19 n when the spheres are 1.94 m apart. calculate the charge on each sphere
Answers: 2
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Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
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Physics, 22.06.2019 05:40
An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2
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Physics, 22.06.2019 09:20
Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers
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Physics, 22.06.2019 18:30
Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?
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Each of two small spheres is charged positively, the total charge being 52.6 µc. each sphere is repe...
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