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Two stationary positive point charges, charge 1 of magnitude 3.45 and charge 2 of magnitude 1.90 , are separated by a distance of 51.0 . An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges.What is the speed of the electron when it is 10.0 from charge 1?
Express your answer in meters per second.
To charged dust particles exert a force of 3.2 * 10-2N on each other. What will be the force if they are moved so they are only 1/8 as far apart?
Find out the speed of the satellite
A person who weighs 684 N steps onto a spring scale in bathroom, and the spring compresses by 0.518 cm. (a) What is the spring constant? (b) What is the weight of another person who compresses spring by 0.328 cm.
Two small insulating spheres with radius 4.00×10-2 are separated by a large center-to-center distance of 0.595. One sphere is negatively charged, with net charge -2.40, and the other sphere is positively charged, with net charge 3.70. The charge i..
Find the slit width. compute the coefficient of kinetic friction between the slide and the child.
You found the distance that you will cover at the same time as braking. You can utilize the expected amount of time for braking to check your answer for distance.
determine the mass of liquid ammonia that boils away before thermal equilibrium. Assume an excessive amount of liquid ammonia is present and that the liquid ammonia does not react with the copper.
A railroad car of mass 4.0 * 10^4 kg moving at 5.0 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.50 m/s.
A pendulum is 1.20 metres long. What is the speed of the bob when it passes by its equalibrium position if it is pulled aside until it makes an angle of 25 degrees to vertical.
As the fragment falls through the atmosphere, it is heated and some of the material is vaporized. Explain how you could determine the composition of this hot vaporized material from the light it emits.
Light of intensity 2.5W/m2 passes through the pupil of one of your eyes and eventually falls on your retina. The radius of the pupil is controlled by the iris.
Two boats start together and race across a 46 km wide lake and back. Boat A goes across at 44 km/h and returns at 48 km/h. Boat B goes across at 27 km/h, and its crew, realizing how far behind it is getting, returns at 69 km/h. Turnaround times are n..
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