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Two small identical conducting spheres are placed with their centers 0.71 m apart. One is given a charge of 12*109 C, the other a charge of 17*109 C.
a) Discover the electrostatic force exerted on one sphere by the other. Magnitude N direction
b) The spheres are connected by a conducting wire. Discover the electrostatic force among the two after equilibrium is reached, where both spheres have the same charge. Magnitude N direction
100 MW of electrical power is delivered at 200 kV to adistribution center over a transmission line which consumers 10% ofthe total power developed by the generating station in heatlosses.
A 60-kg skier with an initial speed of 16 m/s coasts up a 2.50-m high rise, Find her final speed at the top in m/s, given that the coefficient of friction between her skis and the snow is 0.08
A uniform 1.7-kg rod that is 0.97 m long is suspended at rest from the ceiling by two springs, one at each end. Both springs hang straight down from the ceiling. The springs have identical lengths when they are unstretched. Their spring constants are..
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A car is at the top of a 100 meter high hill, the car is coastingat 20 meters/sec., the car rolls down the hill. How fast is the car traveling when it reaches the bottom
two very small spheres are initially neutral and separated by a distance of 0.62 m. suppose that 9.3 x 1013 electrons
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A simple pendulum in a science museum entry hall is 3.51m long, has a 1.25kg bob at its lower end, and swings with an amplitude of 10.50 degrees. How much time does the pendulum take to swing from its extreme right side to its acute left side.
An object experiences a constant acceleration of 0.050 c/s in its own instantaneous reference frame. To an observer for which the object began at rest, how fast will the object be going after 20 s?
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