Question

how much time will be taken by a car to convers a distance of 2 km at a speed of 20km/hours​

Answer 1

Answer:

First 2km distance :

Speed  v=30 km/h

Time taken  t1=302=151 h

Next 2km distance :

Speed  v=20 km/h

Time taken  t2=202=101 h

Total time   t=151+101=61

Total distance  =4 km

Average speed  =1/64=24 km/h

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