Question

John drives his car from home to university at an average speed of 30 km/h and increases his speed by 10km/h every 10 minutes. What is the distance covered in 30 minutes? Please explain step by step and clearly.

Answers

bobpursley
break the drive into three units of speed.
a. avg speed=30, distance =30*10/60=5km
b. avg speed=40,distance=40*10/60=6.66km
c. avg speed=50, distance=50*10/60=8.33km
add the distances for the units=total distance
Jiksha Lover
Thanks

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