what would be the mechanical advantage of the wheel chair ramp if the ramps length is 8 meters and the height of the ramp is 2 meters

it is called kinetic energy

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.