?Suppose a spaceship heading straight toward the Earth at 0.750c can shoot a canister at
Chapter 5, Problem 90(choose chapter or problem)
Suppose a spaceship heading straight toward the Earth at 0.750c can shoot a canister at 0.500c relative to the ship. (a) What is the velocity of the canister relative to Earth, if it is shot directly at Earth? (b) If it is shot directly away from Earth?
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