Consider a 30-foot chain that weighs 5 pounds per foot hanging from a winch 30 feet above ground level. Find the work done by the winch in winding up the entire chain.

momentum of soft ball three times less than baskey ball

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.

well clustered together.

points close on a scatter diagram