Physics, asked by avdcool273, 1 year ago

A person starts with the speed of u/1 km/hr and returns with the speed of u/2 km/hr, what is his average speed?

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Answered by Shinobi

0

We know the formula, average speed =2xy/x+y So, putting the values x=u/1 , y=u/2 2*u/1*u/2 /u/1+u/2=2u/3

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