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Problem: An electron close to a large, flat sheet of charge is repelled from the sheet with a 1.5pN force.
Part A: Find the surface charge density on the sheet.
I need help to determine the surface charge density on the sheet.
The length of a simple pendulum is 0.72 m and the mass of the particle (the "bob") at the end of the cable is 0.27 kg. What is the angular frequency of the motion
Snow is falling vertically at a constant speed of 5.0 m/s. At what angle from the vertical do the snowflakes appear to be falling as viewed with the driver of a car traveling on a straight, level road by a speed of 20 km/h?
The person shoots at the basket. Your job is to investigate whether or not he makes the basket. Determine the initial velocity of the ball
in a diagnostic x-ray procedure 5x10^10 photons are absorbed by tissue with a mass of .6 kg. What is the equivalent radiation dose in mrem
A gas with initial conditions (P,V,T)i expands isothermally until the final volume=6.389 times the initial volume
A concert loudspeaker suspended high off the ground emits 42 W of sound power. A small microphone with a 1.0 cm2 area is 43 m from the speaker. (a) What is the sound intensity at the position of the microphone
A computer disk is 8.0 centimeter in diameter. A reference dot on the edge of the disk is initially located at θ = +45 degree. Determine the location and speed of the reference dot at t = 1 second
A transverse wave is propogated in a string stretched along the x axis. The maximum velocity of a particle on the string
An airplane's speed across the ground can be affected by the wind. how is the speed of the plane across the ground below affected
A billiard ball moving at 6.00 m/s strikes a stationary ball of the same mass. find the struck ball's velocity after the collision
Two stationary positive point charges, charge 1 of magnitude 3.25 nC and charge 2 of magnitude 1.9nC, are separated by the distance of 60 cm. An electron is released from rest at the point midway between the two charges, and it moves along the lin..
A waterfall is 87 meter high. If 20 percent of the gravitational potential energy of the water went into heating the water, find by how much would the temperature of the water
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