2. You race a child that is exactly half your mass up identical ladders. If you took 5 s, and the child took 7 s, who did more work? Who had greater power?

true tan speed = ang vel x radius

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d