Q. An electric field of 9.45 105 V/m is desired between two parallel plates, each of area 37.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate?
Q. A crankshaft with a diameter of 3.0 , rotating at 2400 comes to a halt in 1.90. What is the tangential acceleration of a point on the surface of the crankshaft?