Question

5. Miss.Anu starts from her home and goes
to school which is at a distance of 2 km from
her home in 10 minutes and comes back to
her home in a time of 10 minutes. Calculate
her average speed and average velocity.

Answer 1

Answer:

Anu Home to school to again home

From home to school distance is 3 km time taken is 30 min = (30/60) hour = 0.5 hour

And in returning from school to home time taken = 20 min = (20/60) hour = 0.33 hour

average speed = Total distance / time taken

= (3 + 3)/(0.5 + 0.33) km/h

= 7.2 km/h