A coin with a diameter of 3.00 cm rolls up a 30.0 degree, Ask an Expert

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Q. An electric field of 9.20 105 V/m is desired between two parallel plates, each of area 42.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate?

Q. A coin with a diameter of 3.00 cm rolls up a 30.0 degree inclined plane. The coin starts with an initial angular speed of 60.0 rad/s and rolls in a straight line without slipping. How far does it roll up the inclined plane?

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