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Asked Feb 8, 2020
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The Whirlpool galaxy is about 30 million light-years away. If you were in a spaceship that could travel at half of the speed of light, the amount of time it would take you reach the Whirlpool galaxy is __ (Be specific, use a number.)

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Step 1

The time taken by the person to reach the Whirlpool galaxy according to an observer on Earth is found using the equation,

Physics homework question answer, step 1, image 1

 

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