Physics, asked by aksingh080705, 1 month ago

A truck covers 4 covers 4 equal parts of its journey with speeds 10 km/h 20 km/h 30kmill, 40 km/h. Find average speed.

Answers

Answered by n5435703

1

Explanation:

20 km/hr

Averagespeed=

totaltime

totaldistance

and time=

speed

distance

total distance = 4×3=12

total time =

10

3

+

20

3

+

30

3

+

60

3

=

60

36

hr

speed =

36

12

×60=20 kmph

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