Q. Two identical conducting spheres each having a radius of 0.50 cm are connected by a light 1.50m long conducting wire. A charge of 64 µC is placed on one of the conductors. Assume the surface distribution of charge on each sphere is uniform. Conclude the tension in the wire.
Q. You are driving to grocery store at 21. You are 100 from an intersection when the traffic light turns red. Presume that your reaction time is 0.75 and that your car brakes with constant acceleration. How far from the intersection are you when you start to apply your brakes?