Question: Two spaceships, A and B, each with a speed of 0.60c relative to Earth, approach each other head on. (a) The speed of ship A

Two spaceships, A and B, each with a speed of 0.60c relative to Earth, approach each other head on.
(a) The speed of ship A relative to ship B is (1) greater than c, (2) equal to c, (3) less than c. Why?
(b) What is the speed of ship A relative to ship B?
(c) What is the speed of ship B relative to ship A?

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