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The time for a radar signal to travel to the moon and back, a one-way distance of about 3.8 x 108 m, is:______.
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The time for a radar signal to travel to the moon and back, a one-way distance of about 3.8 x 108 m, is:______.

User Synetech
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1 Answer

4 votes

Answer

1.3 seconds

Step-by-step explanation:

Distance between moon and earth, S=4×108m

Speed of radar signal, c=3.08×108m/s

We know,

Distance between moon and earth,

S=c×t, where t is the time taken by the radar signal to reach moon.

⇒4×108=3.08×108×tor,t=3.08×1084×108

t=1.3s

Hence it will take 1.3 seconds for the radar signal to reach from earth to moon

User Oleg Gopkolov
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