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what did einstein state in his special theory of relativity?
albert einstein presented a paper on the electrodynamics of moving bodies that explained
in relation to space and time.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of