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Three electrons are aligned on a straight line and separations between them are 1.0mm. The outer two electrons are fixed in position.
a. What is the electric potential at the position of the center electron?
b. What is the electric potential energy of the center electron?
c. What is the electric potential energy of this system of three electrons?
d. Is the center electron at a point of stable or unstable equilibrium?
e. If the center electron is displaced horizontally by a small distance, what will its speed be when it is very far away?
You push with a 20 N horizontal force on a 2 kg mass resting on a horizontal suface against a horizonatal friction forces of 12N. What is the accerlation.
A 2.6kg block slides along a frictionless surface at 1.9m/s . A second block, sliding at a faster 5.0m/s , collides with the first from behind, What was the mass of the second block
A person driving her car at 57km/h approaches an intersection just as the traffic light turns yellow. She knows that yellow light lasts only 2.0 s before turning to red, and she is 30m away from the near side of the intersection.
One mole of hydrogen gas at 22 C is compressed through an isobatic process to half its original volume
An arteriole has a length of 1.25 mm and a radius of 21.9 (mili meter) The blood pressure drop along the arteriole is 1310 Pa. Calculate the flow rate through the arteriole
A copper-bottomed kettle, its bottom 24 cm in diameter and 3.0 mm thick, sits on a burner. What is the temperature of the bottom surface of the kettle
A passenger train is travelling at 31 m/s when the engineer sees a freight train 351 m ahead of his train travelling in the same direction on the same track. The freight train is moving at a speed of 5.6 m/s.
At what rate does the Sun radiate energy, given that it is essentially a spherical blackbody with 6.96x10^8m, Use appropriate astronomical data to find the solar radiation per unit area at Earth's orbit
When jumping, a flea reaches a takeoff speed of 1.2 m/s over a distance of 0.46mm, What is the flea's acceleration during the jump phase and How long does the acceleration phase last
A diving board length = 5.40 that weighs 230 is supported by two pillars. One pillar is at the left end of diving board; the other is distance = 1.60 away. Determine the magnitude of the force exerted by the left pillar while a 90.0 diver stands a..
A uniform magnetic field of magnitude B = 0.020 T is in the positive y-direction. Determine the magnitude and direction of the magnetic force on each segment.
A 12.0 m long conveyor belt, inclined at 40.0°, is used to transport bundles of newspapers from the mailroom up to the cargo bay to be loaded on to delivery trucks. Each newspaper has the mass of 1.00 kg, and there are 26 newspapers per bundle. Concl..
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