a car travelled the half of the distance of its journey with speed of 40km/h and second half of the distance with speed v.if the average speed is 48km/h then value of v is
Answers
Answered by
0
Answer:
45.71 km/h
Explanation:
Clearly‚
The distance travelled is equal in both the cases.
Average speed = 2×v1×v2 / v1+v2
Vavg = 2×40×48/40+48
Vavg = 45.71 km/h
Similar questions