A train takes 3h to reach from station A to station B AND 4h to return back from station B to A.The distance between two stations is 140 km.Find: (1) average speed (2) average velocity of the train ?
Answers
Answered by
10
average speed of the body=total distance/total timetotal distance= 140+140=280 kmtotal time= 4 hrs+3 hrs=7 hrsavg speed= 280 km/7 hrs=40 km/hr=(40*5/18)m/s=11.11 m/s
avg velocity=0 since displacement= 140-140=0
avg velocity=0 since displacement= 140-140=0
Answered by
0
Answer:
the answer is given....
Attachments:
Similar questions