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AP® Physics 1 & 2

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Mars Communication Time Lag

APPH12-1KSXNO

Mars is located on average $1.52\text{ AU}$ from the Sun. Sometimes the Earth and Mars are close because they are both on the same side of the Sun. Sometimes Mars is more distant because it is on the far side of the Sun.

Which of the following statements best represents the difference in the time it takes a radio signal to reach a vehicle on Mars for those two positions?

"Created for Albert.io. Copyright 2016. All rights reserved.”

A

$4.32\text{ min}$

B

$12.6\text{ min}$

C

$16.6\text{ min}$

D

$20.9\text{ min}$