A spaceship moves at a speed of 0.95 c away from the Earth. It shoots a star wars torpedo toward the Earth at a speed of 0.90 c relative to the ship. What is the velocity of the torpedo relative to the Earth? (The direction in which the spaceship moves is the positive direction.)

a. ?0.34 c
b. 0.34 c
c. 0.060 c
d. ?0.060 c
e. 0


b

Physics & Space Science

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