Momentum: Two satellites with equal masses are traveling toward each other in deep space. One is traveling at 0.550c and the other at 0.750c. The satellites collide and somehow manage to stick together. What is the speed of the combined object after the collision?
A. 0.100c
B. 0.113c
C. 0.150c
D. 0.175c
E. 0.311c
Answer: D
Physics & Space Science
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