Where are the most reactive nonmetal elements found on the periodic table?
top or bottom

What is a good example of instantaneous speed

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?

How will the system respond to a temperature increase?