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Two 1.0 kg masses are 2.0 m apart on a frictionless table. Each has 1.0 uC of charge.
1. What is the magnitude of the electric force on one of the masses?
2. What is the initial acceleration of each mass if they are released and allowed to move?
If she is served 200 of coffee at 84 in a well-insulated container, how much ice at 0 should she add to obtain a final temperature of 31.
A 5.15 kg chunk of ice is sliding at 13.5 m/s on the floor of an ice-covered valley when it collides with, how high above the valley floor will the combined chunks go
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extension cords are often made from 1.0 mm diameter copper wire. a what is the resistance per unit length of this wire?
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the photograph in the figure below is a short-time exposure 131 s of a juggler with two tennis balls in the air. take
A person pulls a toboggan for a distance of 34.8 m along the snow with a rope directed 32.2 degrees; above the snow. The tension in the rope is 91.5 N. How much work is done on the toboggan
Three charges make a triangle. Q1 is a 50 uC charge at the origin. Q2 is a -86 uC charge at (.52 m, 0). Q3 is a 65 uC charge at (0, .3). what is the total force on Q3?
Find the total electrostatic potential energy of a solid sphere of radius R that is uniformly charged in volume with total charge Q in terms of Q, R, and k
Assume unpolarized light of intensity 197 W/m2 falls on the polarizer in the figure, and the angle in the drawing is 37.0°. What is the light intensity reaching the photocell?
Draw a free body diagram of a container of water that you are holding, you walk with the container at a constant speed and then stop abruptly. Draw arrows for the force of gravity, the normal force (your hand pushing up on the container) and the s..
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