An electron is a:

a) mason
b)baryon
c)hadron
d)lepton
​

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?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.