A body goes from A to B with a speed of 60km/h and then returns to the starting point with speed of 40km/hr. Find 1. the average speed ? 2. and the average velocity of the body
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Explanation:
Total distance covered by car = 60 km
And, total time taken in journey t=t
1
+t
2
t=
v
1
s
1
+
v
2
s
2
=
60
30
+
40
30
=
4
5
h
Therefore, Average Speed=
Total Time
Total Distance
=
4
5
h
60km
=48 km/h
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