Question

A man cycle 20 km in 1 hours 30 minutes and then another 30 km in 2 hours. Find his average speed ​

Answer 1

Answer:

Total distance traveled= (20+30)km= 50 km

Total time spent= (1.5+2) hours = 3.5 hours

so, average speed= 50/3.5 km/hr = 14.286 km/hr

Answer 2

Answer:

0.40 m/s

Step-by-step explanation:

Average speed = Total distance travelled / total time taken

Total distance = 20 + 30 = 50 km = 5000m

Total time = 2 hrs + 1 hr 30 mins = 3.5 hrs = 12600 s

therefore,

Average speed = 5000 m / 12600 s

= 0.40 m/s