Use hooke's law to determine the variable force in the spring problem. a force of 5 pounds compresses a 15-inch spring a total of 3 inches. how much work is done in compressing the spring 7 inches

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

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)