Aspring with k = 475 n/m is compressed by 0.15 m. how much energy is stored

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

What is the mass of the same rock on the earth

Will give brainliest! which statement best describes the similarities between fundamental forces? electromagnetic and strong nuclear forces influence the interaction between charged particles within an atom. gravitational and magnetic forces are both types of charges that occur in nature. nuclear and magnetic forces are both related to mass and weight. strong nuclear force is most like electrical force because they are both related to distance.