A 40,000 kg locomotive is moving at a velocity of 11 m/s east. What is the magnitude of the locomotive's momentum? A. 440,000 kg m/s B. 480,000 kg m/s C. 3,636 kg m/s D. 495,000 kg m/s

frequency or wavelenth of em radiation in a vacuum

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.