Radar station to moon

Classical Mechanics Level 1

If the one-way distance from radar station to moon is 3 × 1 0 8 m 3 \times 10^8m ,

then what is the time for radar signal to travel to the moon and back?

8 seconds 2 seconds 6.3 seconds 16.4 seconds

Nazmus Sakib by Nazmus sakib , 24, Bangladesh

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1 solution

Nazmus Sakib
Oct 1, 2017

We know that,

t = 2 d v t=\dfrac{2d}{v}

= 2 × 3 × 1 0 8 3 × 1 0 8 =\dfrac{2\times 3\times 10^8}{3\times 10^8}

= 2 seconds =2~ \text{seconds}

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