Asked by S
                the distance of a planet from its sun is 19000000 miles. if there are 29400000 seconds in one orbit, find the speed of the planet in its orbit about the sun. (assume a circular orbit)
            
            
        Answers
                    Answered by
            Damon
            
    orbit circumference 
= 2 pi *1.9*10^7 miles
time for orbit trip = 2.9*10^7 s
speed = 2 pi *1.9 / 2.9 miles/second
= 4.12 miles/second
You did not say what units
in miles per hour, multiply by 3600 and get
14,820 miles/hour
    
= 2 pi *1.9*10^7 miles
time for orbit trip = 2.9*10^7 s
speed = 2 pi *1.9 / 2.9 miles/second
= 4.12 miles/second
You did not say what units
in miles per hour, multiply by 3600 and get
14,820 miles/hour
                    Answered by
            Scott
            
    does your instructor teach significant figures?
    
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