At what speed, at a fraction of c, must rocket travel on a journey to and from a distant star so that the astronaut's age 11 years while the mission control workers on earth age 130 years?

If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.

Consider an ideal gas at 27.0 degrees celsius and 1.00 atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is the length l of an edge of each small cube if adjacent cubes touch but don't overlap?

Which wave is the result of amplification and produces a louder sound