### What is the tangential acceleration of a point

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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?

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