A32 lb weight stretches a spring 2 ft in equilibrium. it is attached to a dashpot with constant c d 8 lb-sec/ft. the weight is initially displaced 8 inches below equilibrium and released from rest. find its displacement for t > 0.

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.