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A plastic rod has been bent into a circle of radius R = 5.10 cm. It has a charge Q1 = +3.60 pC uniformly distributed along one-quarter of its circumference and a charge Q2 = -6Q1 uniformly distributed along the rest of the circumference.
(a) What is the electric potential at the center C of the circle?
(b) What is the electric potential at point P, which is on the central axis of the circle at distance D = 6.71 cm from the center?
During a violent storm, a car is struck by a failing high-voltage wire that puts an excess charge of -850 mircoC on the metal car. how much is on the outer surface of the car
A proton is located at y=0.06m and has a velocity of 5x10^6 m/s in the +x direction while an electron is located at x=0.08m, What is the magnetic field generated by these two charges at the origin
Find out the angle of flint glass prism which should be combined with a crown glass prism of 5 degree so as to give dispersion but no deviation
Assume a small child rolls off a bed that is 0.38m above the floor. If the floor is hardwood, the child's head is brought to rest in approximately 2.2mm. If the floor is carpeted, this stopping distance is increased to about 1.1cm.
A 1.81 kg block and a 3.62 kg block are initially at rest on a frictionless, horizontal surface, How much does the kinetic energy of the system increase
when released from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vB. Find out the potential at B.
You want to contrast a physical pendulum with a period of 4.0s at a location where g= 9.8s/s^2.What length of simple pendulum having this period
How much energy is necessary to bring the system back
The wire in a 150 W aquarium heater has a diameter of 0.12 mm and is made of iron, What resistance should the wire have while the heater is operating
What is the distance between the centers of the two slits? Describe answer in m.
When a firecracker is placed inside a bowling ball, the momentum before the explosion is equal to the momentum after the explosion because
A thin rod of length 0.84 m and mass 190 g is suspended freely from one end. find how far above that position the center of mass rises
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