Question

Find the average speed,if a cyclist travels,

(i) 6km/h for 25 minutes and 8km/h for 15 minutes.

(ii) 5km up a hill at 16km/h and back down at 24km/h.​

Answer 1

Answer:

Average speed =

total dist/total time=6+8/25+15=14/40=7/20=0.35m/s

Average speed =

total dist/total time=10/40=1/4=0.2m/s