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Author Question: The first intergalactic spaceship is headed toward the Magellanic Clouds at a speed of 0.8c. The ... (Read 90 times)

tingc95

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on: Aug 10, 2020
The first intergalactic spaceship is headed toward the Magellanic Clouds at a speed of 0.8c. The spaceship is 1 000 m long. Clocks at the front and the rear of the spaceship both read 3:00 P.M. Can it be 3:00 P.M. simultaneously at the front and the back of the spaceship?

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No, because , where Δx is the length of the spaceship.

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No, because one clock has to move after being synchronized with the other.

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Yes, because Δx in (a) is zero for different points of the same spaceship.

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Yes, because two clocks at rest relative to each other can be synchronized by means of light signals when the distance between them is known.

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The question cannot be answered unless we know the object relative to which the spaceship's velocity is 0.8c.
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Marked as best answer by tingc95 on Aug 10, 2020

dajones82

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Reply #1 on: Aug 10, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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tingc95

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Reply 2 on: Aug 10, 2020
Gracias!

yeungji

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Reply 3 on: Yesterday
Excellent

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