Question

please answer step by step​

Answer 1

Answer:

We are given a Radio Wave, which has to travel from Mars to Earth.

A Radio Wave is an Electromagnetic Wave, and all Electromagnetic Waves travel with the same speed in vacuum, regardless of the frequency.

So, the frequency is unessential. We know that the speed of electromagnetic waves in vacuum is:

Also, the distance between Mars and Earth is given:

So, we can find the time taken for travel:

Thus, The Radio Wave will take approximately 4.44 minutes to travel from Mars to Earth.

Hope this helps you dear.

Answer 2

Answer:

It helps to you

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Answer is 4.44