Give reason The SI system of unit is better than the MKS system​

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600