Awheel has a radius of 9 centimeters and an axle radius of 3 centimeters. the ima of the system is 9 0.33 3 27

An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

Aphysical change is a change in the size, shape,, or stafe of matter true or false