Suppose You Stay Home on Earth and Watch a Spaceship

question 68

Essay

Suppose you stay home on Earth and watch a spaceship that leaves on a long trip at a constant acceleration of 1g.
a.At an acceleration of 1g,approximately how long will it take before you see the ship traveling away from Earth at half the speed of light? Explain.(Use g = 9.8 m/s². )
b.Describe how you will see its speed change as it continues to accelerate.Will it keep gaining speed at a rate of 9.8 m/s each second? Why or why not?
c.Suppose the ship travels to a star that is 500 light-years away.According to you back on Earth,approximately how long will this trip take? Explain.

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