Question

a car moves with a speed of 30km/h in the first hour and 20km/have in the second hour .calculate the average speed

Answer 1

Average speed= total distance / total time

=30+20/2

=50/2

=25km/h

We had taken 30 and 20 as distance because (30 and 20) km/h means the object has travelled 30km and 20km in respective hours.

Answer 2

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