Physics, asked by nishabh21, 11 months ago

A body travels a distance of 30km with speed 40km/hr next 50km distance with 30km/hr and at last 20km with 10km/hr.calculate the average speed of bidy for entire journey

Answers

Answered by dineshdhoni

1

Answer:

avg speed = 29.26 .ie approx 30km/hr

Explanation:

avg speed = total distance/total time taken

time = dist/velocity

=30+50+20/41/21

=100*12/41

=29.26=30km/hr

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