Two spaceships leave Earth in opposite directions, each with a speed of 0.60c with respect to the Earth. What is the velocity of Spaceship 1 relative to Spaceship 2? What is the velocity of Spaceship 2 relative to Spaceship 1?

Sketch the situation, defining all of your variables.

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What physics equation(s) will you utilize in order to solve this problem? For each equation you list, give a justification for why it applies to this situation.

Apply your equation(s) to solve the problem as an algebraic expression(s).

Calculate your numerical answer(s). Show the units of your answer(s), and how you got them.

36.32 An observer in reference frame S notes that two events are separated in space by 220 m and in time by 0.80 s. How fast does S' need to be moving relative to S in order for an observer in S' to detect the two events as occurring at the same location in space?

Sketch the situation, defining all of your variables.

What physics equation(s) will you utilize in order to solve this problem? For each equation you list, give a justification for why it applies to this situation.

Apply your equation(s) to solve the problem as an algebraic expression(s).

Calculate your numerical answer(s). Show the units of your answer(s), and how you got them.