A car moving on a straight road covers the one fourth of the total distance with 36km/hr and the rest with 54km/hr , then the average speed of the car is ... in m/sec
Answers
Answered by
0
Answer:
please mark me brain list
Explanation:
Correct option is
C
36 km/h
Given,
Velocity for one third of distance V
1
=20km/h
Velocity for two third of distance V
2
=60km/h
Time take to cover one third of distance t
1
=
V
1
d/3
=
20
d/3
Time taken to cover two third of distance t
2
=
V
2
2d/3
=
60
2d/3
Average velocity =
totaltime
Totaldistance
V
av
=
t
1
+t
2
d
=
20
d/3
+
60
2d/3
d
=36km/h
Similar questions