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Four point charges, q, are fixed to the four corners of a square that is 14.1 cm on a side. An electron is suspended above a point at which its weight is balanced by the electrostatic force due to the four point charges, at a distance of 13 nm above the center of the square. (The square is horizontally flat, and the electron is suspended 13 nm vertically above the center of the square.)
What is the magnitude of each fixed charge in coulombs?
What is the magnitude of each fixed charge as a multiple of the electron's charge?
A baseball is thrown with an initial velocity of 20 m/s along the horizontal axis and 15 m/s along the vertical axis. The ball soon reaches the highest point, what is the speed at the point? (ignore air friction) Can you give me an explanation as to ..
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question1a line of charge starts at x x0 and extends to positive infinity. the linear charge density is lambda
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electric companies supply the area homes with 1 kiolwatt of power for one hour for an average cost of 8.5 cents. a
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The average density of the planet Mercury is 5510 kg/m3. The acceleration of gravity on its surface is 3.73 m/s2. Calculate the average radius of Mercury
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 42.3 J and a maximum displacement from equilibrium of 0.259 m, Find the potential energy stored in the spring when x = 0.160 m
A 12.00 kg block on a horizontal frictionless surface is attached to a light spring (force constant = 0.80 kN/m). The block is originally at rest at its equilibrium position when a force (magnitude P = 80 N) acting parallel to surface is applied t..
Two identical point charges of q = +1.50 x 10-8 C are separated by a distance of 0.30 m. How much work is done by the electric field force to move
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