Convert the yards to km and devide your answer by 40 to get the amount of time it took to reach the receiver.
Good luck ! Hope it helped.
Answer:
Air does, in fact, have weight, and here's a simple way you can prove it. You'll need two identical balloons, a string, and a dowel. Attach the uninflated balloons to either end of the dowel. Attach the string to the center of the dowel and then hang it from something.
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Answer:
its A i think im not sure tho
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I’m so sorry I needed points but I hope you get it right
Answer:
Frequency of incident light = 995×10 12
Explanation:
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