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Solve the given questions:
Question 1: How many excess electrons must be distributed uniformly within the volume of an isolated plastic sphere 27.0cm in diameter to produce an electric field of 1050N/C just outside the surface of the sphere?
Question 2: What is the electric field at a point 15.0cm outside the surface of the sphere?
Please show all work and clearly explain each step.
A 1600-kg car starts from rest to reach 60.0 miles/h in 6.50 s. How much work is done by the engine during the acceleration
q1. a flywheel having constant angular acceleration requires 4.60 to rotate through 170. its angular velocity at the
if a lightning strike can be approximated by considering a cloud and the earth as a parallel plate capacitora find the
conducting sphere x is initially uncharged. conducting sphere y has twice the diameter of sphere x and initially has
some of the most profound statements on the nature of science have come from albert einstein one of the greatest
A flat circular disk of radius R is uniformly charged withtotal charge Q. What is the magnetic fieldstrength at the center of the disk
In a pool game, the cue ball, which has an initial speed of 5m/s, makes an elastic collision with the eight ball, which isinitially at rest. Find the direction of motion of the cue ball after the collision
A 250 g, 24-cm-diameter plastic disk is spun on an axle through its center by an electric motor. What torque must the motor supply to take the disk from 0 to 1600 rpm in 4.1 s
A capacitor is connected across an ac generator whose frequency is751 Hz and whose peak output voltage is 140 V. The rms current in the circuit is 3.0 A. What is the capacitance of the capacitor?
One end of a 30 cm long aluminum rod with diameter 2 cm is kept at 460*C while the other end is held in water at 25*C
The magnetic field at the center of a 1.0-cm-diameter loop is 4.5 mT, What is the current in the loop, At what distance from the wire is the magnetic field 4.5 mT
A sinusoidal wave of wavelength 1.94 m and amplitude 0.0584 m travels with a speed of 0.878 m/s on a string. What is the maximum speed of any point on the string
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