Suppose a spaceship heading straight towards the Earth at 0.75c can shoot a canister at 0.55c...

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Suppose a spaceship heading straight towards the Earth at 0.75c can shoot a canister at 0.55c...

Suppose a spaceship heading straight towards the Earth at 0.75c can shoot a canister at 0.55c relative to the ship.

Randomized Variablesv₁ = 0.75 c
v₂ = 0.55 c

50% Part (a) If the canister is shot directly at Earth, what is the ratio of its velocity, as measured on Earth, to the speed of light?

50% Part (b) What about if it is shot directly away from the Earth (again, relative to c)?

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Answer 1

Answer #1

Vi = 0.750 V2 = 0.550 for coming towards earth V | Na-V, TI-VIV2 2 0.750-0.55c 1- (0.75C) (0.550) с2 0. 200 T-4125 - 0.34ouc

③ from moving away earth Va VitV2 It VIV2 c2 V 0.75 +0.55) It 0.750 0.550 с2 13 1.30 1.4125 ~ = 0.92035

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Answer 2

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Suppose a spaceship heading straight towards the Earth at 0.75c can shoot a canister at 0.55c...

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