Physics, asked by khalid0786, 11 months ago

A car moves trough 20 km at a speed of 40 km /h and the next 20 km at a speed of 60 km /h . calculate its average speed

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Answered by Anonymous

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Distance = 20 km

Speed = 40 km/hr

Time, t1 = 20/40 = 1/2 hrs

Speed = 60 km/h

Time, t2 = 20/60 = 1/3 hrs

Total time = t1 + t2 = 1/2 + 1/3 = 5/6 hrs

Average speed = (20+20)/(5/6)

Average speed = (20+20)/(5/6) = 48 km/hr

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Answered by AzeemAhmedKhan

to find out the average speed we have to take the sum of all the speed and divided by the number of speed

according to your question (20 + 40 + 60) /3

average speed comes to 40 km / hr

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A car moves trough 20 km at a speed of 40 km /h and the next 20 km at a speed of 60 km /h . calculate its average speed ANSWER THIS QUESTION DON'T GIVE IRRELEVENT ANSWER PLZI MARK IT IN BRAINLIEST​

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A car moves trough 20 km at a speed of 40 km /h and the next 20 km at a speed of 60 km /h . calculate its average speed

ANSWER THIS QUESTION DON'T GIVE IRRELEVENT ANSWER PLZ

I MARK IT IN BRAINLIEST