The crew of an enemy spacecraft attempts to escape from your spacecraft by moving away from you at 0.287 of the speed of light. But all is not lost! You launch a space torpedo toward the foe at 0.333 of the speed of light with respect to you. At what speed in kilometers per second does the enemy crew observe the torpedo approaching its spacecraft? speed: km/s

The crew of an enemy spacecraft attempts to escape from your spacecraft by moving away from you at 0.287 of the speed of light. But all is not lost! You launch a space torpedo toward the foe at 0.333 of the speed of light with respect to you. At what speed in kilometers per second does the enemy crew observe the torpedo approaching its spacecraft? speed: km/s