How are domains arranged in materials that are magnetic and in ones that are not

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Describe uniform velocity and variable velocity in short

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?