Question 19 A seccer plaver car kick the ball 31 m on level ground with its intal velocity at 4" to the horuontal PartA Al iesae iid sped and argle tu tre luicantal, what luicantad dslae an de player kNA Đe lall una 13" pmad skpe? Expass your answr using two significant figures. d: Value Units Submit Reguest Anser

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Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.