Two satellites are in circular orbits around the earth. satellite a is at an altitude equal to the earth's radius, while satellite b is at an altitude equal to three times the earth's radius. what is the ratio of their periods, tb/ta?

Awheelhas a radius of 4.8 m. howfar (path length) does a point on the circumference travel if thewheel is rotated through angles of 30°, 30 rad, and 30 rev,respectively?

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

What are atoms of the same element with varying number of neutrons