A body travels from A to B with a velocity of 90 km/h and return to A with a velocity of 60 km/h.What is the average velocity and average speed?
Answers
Answered by
1
Answer:
the average speed is 20.833m/s
Explanation:
Answered by
0
Answer:
Let distance from A to B be x
Time for travel from A to B= x/20
Time for travel from B to A= x/30
Hence,speed for total distance 2x is:
30
x
+
20
x
2x
=
5x
2x×60
=24 km\hr
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