Physics, 10.05.2020 07:57 dylancasebere
Benjamin Franklin has convinced his hapless assistant Mike Piepan to participate in an experiment on electiricty. Ben has set up lightning rod, the rod of which extends into his laboratory. MIke is suspended from the ceiling by an insulating rope. To one side of Mike is the end of end of the lightning rod, on the other side is a metal rod that is "grounded" (i. e. conducts electricity into the Earth, especially a "charge dump"). A bolt of lightning strikes the rod, giving it an enormous quantity of excess negative charge. Assuming tht no charge leaps through the air in the lab, explain in as much details as possible, what you think will happen to poor Mr. Piepan?
Answers: 3
Physics, 22.06.2019 07:00
Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
Answers: 1
Physics, 22.06.2019 11:50
Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
Answers: 2
Physics, 22.06.2019 17:30
The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element
Answers: 1
Benjamin Franklin has convinced his hapless assistant Mike Piepan to participate in an experiment on...
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