A blade of ceiling fan with radius 0.5 m is rotating with initial angular velocity of 0.20 rev sl. The angular acceleration of the blades is 0.80 rev s?. In 5.0 s.
determine
(a)
the final angular velocity made by the blade.

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?

Asystematic approach to problem solving is called a (an)

What sort of waves exhibit the doppler effect?