Question

UNIFORM MO
1. A car runs between two stations A and B. From 11.
Ato B, it goes with a sped of 30 km/h and from B fror
to Ait returns to 40 km/h. The average speed of wit
the car between A and B is
a) 35 km/h
b) 34.5 km/h
c) 34.3 km/h
d) 10 km/h
m/
fre​

Answer 1

Explanation:

Let the distance from A to B be = X km.

Time duration for travel from A to B = X/30  hours

Time duration for travel from B to A = X/40 hours

Total duration = 7 X/120  hours

total distance = 2 X

Average speed = 2 X / [ 7 X/120 ] = 240 / 7 kmph

Answer 2

Answer:

the average speed of car =

v1 + v2 / 2 = 30 + 40 / 2 = 35 km/h

therefore the average speed of car is 35 km/h

Explanation:

WITH REGARDS

IPRANTIK