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Two point charges q1 = 2 C and q2 = - 5 C are located in the (x,y) plane at coordinates (2,0) m and (-3,0) m respectively. Find:
a) The electric field created for both charges at points (0,0), (5,0) and (0,2).
b) the electric force on a point charge of -2.00 C placed at points (0,0), (5,0) and (0,2).
A 50.0 g super ball traveling at 30.0 m/s bounces off a brick wall and rebounds at 19.5 m/s. what is the magnitude of the average acceleration of the ball
In a simple of the hydrogen atom, the electron revolves in a circular orbit around the proton with a speed of 1.1 x 106 m/s. Determine the radius of the electron's orbit
Two astronauts, one mass 60 and the other 80kg are initially at rest and then they push each other apart. How far apart are they when the lighter astronaut has moved 12 m in outer space?
question how fast can you set the earth moving? in particular when you jump straight up as high as you can what is the
a. a thin rod of length 9.2 m and mass 16 kg is supported at a 31 degrees incline. one support is 2.4 m and the other
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A pair of earplugs claims to reduce the sound level by 37.1 dB. By what factor is the intensity reduced
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