Question

A men moves from a place with a constant speed of 40 metre per second and then he returns back to p along the same route with a speed of 20 metre per second. then calculate the average speed.

Answer 1

Answer:

Given,

Speed = 40m/s,20m/s

Time = 2sec

Distance = Speed × time

= 60 × 2

= 120m

Average Speed = Total distance travelled / time

= 120 / 2

= 60m/s.