Question

A man walks 7km in 2hr and 2km in 1hr in same direction What is average speed and velocity ​

Answer 1

Explanation:

From first

7 km in 2 hours

i.e. 7/2=3.5 km in 1 hour.

From second

2km in 1 hour.

Average speed=(3.5+2)/2

=5.5/2=2.75 km/hr.