Earth observes a rocket move away at 0.370c. The rocket is designed to launch a projectile at 0.505c relative to the rocket.
(a) Fired straight ahead, what is the projectile speed observed from Earth?
(b) Launched to the rear, what is the projectile speed observed from Earth?

Question

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The Answer of Earth observes a rocket move away at 0.370c. The rocket is designed to launch a projectile at 0.505c relative to the rocket.
(a) Fired straight ahead, what is the projectile speed observed from Earth?
(b) Launched to the rear, what is the projectile speed observed from Earth?

Earth Observes a Rocket Move Away at 0