Physics, 11.07.2019 00:20 viktoria1198zz
Numerically illustrate how relatively tiny imbalances in charge neutrality result in very substantial forces this problem aims two small silver spheres, each of mass m=8.5 q, are separated by distance d-1.2 m. as between the spheres. result of transfer of some fraction of electrons from ane sphere to the other, there is an attractive force f-320 kn the spheres: calculate the fraction of electrons transferred from one to evaluate the total number of electrons in a silver sphere, you will need to invoke avogadro's number, the molar mass of silver equal to 107.87 q/mol and the fact that silver has can enter your result in a format like 1.74e-5). electrons per atom.
Answers: 2
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
Answers: 1
Physics, 22.06.2019 11:00
Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?
Answers: 3
Numerically illustrate how relatively tiny imbalances in charge neutrality result in very substantia...
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