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Three identical point charges (q1=q2=q3=5.0 nc) are located at three corners of a square with 1.0 cm each side. An electron is located at the remaining corner of the square
a. find the potential energy U of the electron.
b. find the electric potential V at the location of the electron.
Explain how does a magnitude of the electrical force between a pair of charged particles change when they are brought to half their original distance of seperation?
A baseball (m = 149 g) approaches a bat horizontally at a speed of 42.6 m/s (95 mi/h) and is hit straight back at a speed of 47.1 m/s (105 mi/h). compute the average force exerted on the ball by the bat
A person whose eyes are 1.7 m above the floor stands in front of a plane mirror. How far above the floor should the bottom edge of the mirror be placed
A wheel has a radius of 3.6m. How far (path length) does a point on the circumference travel if the wheel is rotated by angles of 30°, 30 rad, and 30 rev, respectively.
A 67kg man's arm, including the hand, can be modeled as a 70cm -long uniform cylinder with a mass of 3.5kg. by how much does he raise his center of gravity
Calculate the focal length required of glasses to be worn, A pair of eyeglasses are designed to allow a person with a near-point distance of 2.52 m to read a road sign at a distance of 25.2 m.
At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. Find the maximum downward acceleration experienced by the crewman
You are listening a soft music with a sound level of 50 dB. A subway train passes by whose sound level is 90 dB. What is total intensity level of the combined sound in dB.
question1water moves through a constricted pipe in steady ideal flow. at one point where the pressure is 2.70 104 pa
What is the charge on each sphere if the two charges are alike?
A small plane tows a glider at constant speed and altitude. If the plane does 2.09 105 J of work to tow the glider 130m, what is the angle between the tow rope and the horizontal
One fish leaps with an initial velocity at the water surface of 12.5m/s at an angle of 33.0 degrees above the horizontal
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