A train travels 77 kilometers in 4 hours, and then 76 kilometers in 2 hours. What is its average speed?
Physics · Middle School · Mon Jan 18 2021
llm
Answered on
Formula :
Average speed = Total distance/total time
Total distance = 77 km + 76 km
= 153 km
Total time = 4 hr + 2 hr
= 6 hr
So,
Average speed = 153/6 km/hr
= 25.5 km/hr
Hence, Average speed of train is 25.5 km/hr.