Physics, asked by Sanjanasingh5758, 1 year ago

a train travels at first 15 km at uniform speed of 30km/hr; the next 75 km at a uniform speed of 50km/hr; and the last 10km at a uniform speed of 20km/hr. calculate the average speed for the entire train journey.

Answers

Answered by sex190

1

pehly speed=distance/time seh sabhi ka time calculate karangy tab osky badd
avg.speed=total distance/total time
karangy!!!!!!!!!!!!!!!!!!

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