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A car moves at a constant speed of 60 km/hr for 1 km and 40 km/hr for next 1 km. What is the average speed of the car ?
10 years ago

Answers

Steve
avg speed =

total distance
-----------------
total time

= (1+1)km/(1/60 + 1/40)hr
= 48 km/hr
10 years ago

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