How long will a radar signal take to complete a round trip, Ask an Expert

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Q. How long would a radar signal take to complete a round trip between earth and mars when the two planets are 0.7 AU apart?

Q. The stockroom has only 20 and 50 resistors.

a. you need a resistance of 45. how can this resistance be achieved under these circumstances?

b. explain what you can do if you need a 35 resistor.

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Category:- Physics
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