Question

An auto travels at a rate of 25km/hr for 4 minutes, then at 50km/hr for 8 minutes, and finally at 20km/hr for 2 minutes. Find the total distance covered in km and the average speed for the complete trip in m/s. 1000 m in 1km. 3,600 seconds in 1 hour.

Answer 1

Answer:

0.0314m/s

Explanation:

given three different speeds 25km/h, 50km/h, 20km/h

and given time 4mints, 8 and 2 so..

average speed =distance/time

25000/3600+50000/3600+20000/3600 whole upon 4×60+8×60+2×60

=0.0314m/s

Answer 2

Answer:

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