Claire starts driving with an initial velocity of 5.0 m/s towards north. she drives along a straight, level path with a uniform acceleration and travels 500. m in 20. seconds. a. what is the average velocity for the entire 20. seconds? b. what is the velocity at the end of 20. seconds?

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this

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.