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Four identical charges (+4.0 µCeach) are brought from infinity and fixed to a straight line. Thecharges are located 0.20 m apart. Determine the electric potential energy of this group.
A proton moves at 4.9x106 m/s in a magnetic field where B = 0.42 T. what force does the proton experience
A package of mass is released from rest at a warehouse loading dock and slides down the h = 2.6m - high, frictionless chute to a waiting truck. Unfortunately, the truck driver went on a break without having removed the previous package, of mass 2m..
A diver leaves a 3-m board on a trajectory that takes her 2.2m above the board and then into the water a horizontal distance of 2.5m from the end of the board. At what speed did she leave the board
Two balls with a net charge of - 4.0 C and + 10.0 C are separated by 2 cm. A) What is the electrostatic force on the positive charge? B) What is the electrostatic force on the negative charge?
q1. a 1.00-kg teflon disk is slid down a 5.00-m steel plate that is mounted at a 30 degree angle with respect to
A subway train starts from rest at a station and accelerates at a rate of 1.56m/s2 for 13.7s, Find the total distance covered
A 119.0-kg block is on a horizontal frictionless surface, on top of it is a second smaller block of 55.0-kg. Find the coefficient of kinetic friction between the two blocks
All through an experiment, a block of wood with a mass of 250 g is placed on an inclined plane. While the plane is raised to an angle of 43o, the block slides down the plane at a constant speed.
Mike pulls a sled across level snow with force of 235 N along a rope that is 35.5° above the horizontal. If the sled moved the distance of 75.0 m, how much work did Mike do.
a 9.40-l container holds a mixture of two gases at 33 degc. the partial pressures of gas a and gas b respectively are
By means of a rope whose mass is negligible, two blocks are suspended over a pulley, as the drawing shows, with m1 = 11.7 kg and m2 = 43.9 kg. find the mass of the pulley
What quantum number of the hydrogen atom comes closest to giving a 500-nm-diameter electron orbit, What is the electron's energy in this state
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