a car moves with a spee of 80 km/hr to satation x to y and back from y to x with a speed of 100km/hr
i)what is its average speed
ii)average velocity of the complete trip
Answers
Answered by
0
Answer:
Correct option is
C
48 km/hr
Using speed =
Time
Distance
⇒Time=
speed
distance
We have total time =
60
100
+
40
100
=
6
25
Hr
Now, Average speed =
Time
(tot)
Distance
(tot)
=
6
25
200
⇒ Average spped =
25
1200
=48km/h
Similar questions