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Two rods AB and BC have charges +2Q and -2Q uniformly distributed on them. They are bent in the shape of arcs of a circle and joined at B.
1. Find the linear charge density on rod AB.
2. Find the electric field at the midpoint between A and C.
3. Now a small object of mass M and electric charge 3Q is placed at the mid point between A and C. If it is free to move, find the acceleration (magnitude and direction) of this small mass.
A positron (q = +e) moves at 3.2 multiply.gif 107 m/s in a magnetic field of magnitude 0.46 T. What is the angle between the velocity and the field
a street light is supported by two wires and each makes a different angle from each other. the one on the left is 32
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q1. if the accelerating plates are 1.60 apart and have a potential difference of 2.60times104 what is the magnitude of
what would be the closest distance the bead would be from the point charge? (HINT for B: what would be the speed of the bead at this point? use energy conservation)
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