Hooke's law states that the force, F, in a spring extended by a length x is given by F=-kx. According to Newton's second law F = ma, where m is the mass and a is
the acceleration. Calculate the dimension of the spring constant k.

Does heating a metal wire increase or decrease its electrical resistance? why?

When using the scientist method, which step comes last?

Energy can be transformed from one form to another. the diagram shows one such process. which energy transformation is represented in the diagram? nuclear to thermal and radiant nuclear to electrical and chemical chemical to nuclear and radiant chemical to electrical and nuclear