A car covers the first half of its distance between two places at a speed of 40km/hr and the second half at 60 km/hr . The average speed of the car is 12n km/hr. Find n.
Answers
Answered by
0
Here is your answer check it.
Attachments:
Answered by
0
v1 = 40 km/h v2 = 60 km /h
Average speed v = (v1 + v2)/2 v = (40 + 60)/2= 50 km/h
12n=50
n=50/12
=n=4.16
Average speed v = (v1 + v2)/2 v = (40 + 60)/2= 50 km/h
12n=50
n=50/12
=n=4.16
Similar questions