Charged particle between two points
If 500 J of work are required to carry a charged particle between two points with a potential difference of 20 V, the magnitude of the charge on the particle is:
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An alpha particle (charge+2e, mass 6.63X10^-27 kg) and a proton (charge +e, mass 1.67X10^-27 kg) are separated by 3 micrometers. What is their potential energy? What is the potential midway?
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A sample of lead has a mass of 40.00 kg and a density of 1.130 x10^4 kg/m3 at 0°C. (Assume the average linear expansion coefficient for lead is 2.900 x10^-5(°C-1).) (a) What is the density of lead at 70.00°C? (Give your answer to four s
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A positive point charge Q = 3.7×10^-5 C is fixed at the origin of coordinates, and a negative charge Q' = -4.1×10^-6 C is fixed to the axis at +3 m. Find the location of the place(s) along the x axis where the electric field due to the
It is desired to redue this by a factor of 100 while maintaining the inside temperature at -30 degrees F. Find the appropriate insulation thickness in inches.
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