"A man pushes a cart with a force of 30N up a slope 35m. He allows the cart to roll down the hill which is 10m high. At the bottom of the
hill, what is its velocity? *Assume friction = 0*

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.

the tires are rotating at 0.434 rpmlinear speed=45 m/sdiameter=0.550 mradius=0.275 mnow v= rωω= v/rω=45/0.275ω=163.6 rad/sω=163.6 rad/s (1rev/2π rad) (60s/1m)ω=1563 rpm

moisture is lackin, and organic acids are scarce.