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Gurpreet jogs a distance of 12 km in 40 minute. Find his speed in km/h and m/s.

Asked by truptimayeesahoo100 28th May 2019, 4:11 PM
Answered by Expert
Answer:
begin mathsize 16px style We space know space that space 1 space hr space equals space 60 space mins
rightwards double arrow 40 space mins space equals space 40 over 60 space equals space 2 over 3 space hrs
Speed space equals space fraction numerator Distance space over denominator Time space end fraction equals 12 space divided by space space space 2 over 3 equals space 12 space cross times space 3 over 2 space equals space 18 space km divided by hr
We space know space that space 1 space min equals space 60 space secs space
rightwards double arrow 40 space mins space equals space 40 space cross times 60 space equals space 2400 space secs space space
1 km space equals space 1000 space straight m rightwards double arrow space 12 space km space equals space 12 space cross times space 1000 space equals space 12000 space straight m space space
Speed space equals space fraction numerator Distance space over denominator Time space end fraction equals 12000 over 2400 equals space 5 straight m divided by sec end style
Answered by Expert 28th May 2019, 4:59 PM
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