Question

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 ​

Answer 1

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