Physics, 05.07.2019 02:30 ScarySkyler5571
The protons initially are located where the electric potential has a value of 7.60 mv and then they travel through a vacuum to a region where the potential is zerdo. (a) find the final speed of these protons m/s (b) find the accelerating electric field strength if the potential changed uniformly over a distance of 1.70 m. mv/m
Answers: 2
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The protons in a nucleus are approximately 2 ā 10^ā15 m apart. consider the case where the protons are a distance d = 1.93 ā 10^ā15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.
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An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?
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