While Astronauts in a Spaceship with a Speed of 0

question 19

Multiple Choice

While astronauts in a spaceship with a speed of 0.6c relative to Earth move outward from Earth toward Jupiter,they observe a cosmic ray shower that contains protons moving toward them.On Earth the speed of these protons is measured as 0.2c toward the spaceship.They measure the speed of the protons to be

• A)0.80c
• B)0.71c
• C)0.95c
• D)0.69c
• E)0.45c

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