In every atom, one or more positive charges are positioned randomly throughout the atom along the circumference of the atom in evenly spaced orbits around the nucleus in a dense core called the nucleus which material is the best electrical conductor? plastic glass silver nylon

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

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