Question

to cover a distance of 144 km in 3.2 hours what should be the average speed of the car in meters/second?

Answer 1

12.5m/s is the average speed.. Covert distance into mtrs.. 144 km =144000 mtrs.. Time- hrs in secs.. 3.2 hrs =11520 secs.. Divide both.. Because av speed= distance/time

Answer 2

Answer:

12.5m/s

Step-by-step explanation:

Speed = 144/3.2 km/ hr

= 45 km/hr

= 45 × 1000/ 3600

= 50/4

= 25/2

= 12.5 m/s