A car travels half of the distance with constant velocity 40 km/h and another half with a constant velocity of 60 km/h along a straight line. The average velocity of the car is
A
24 km/h
B
48 km/h
C
60 km/h
D
40 km/h
Medium
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Updated on : 2022-09-05
Solution
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Correct option is B)
Suppose total distance is 2xkm then
time taken in traveling the distance first x will be t1=40x
and the time taken in traveling the distance second x will be t2=60x
now the average velocity can be calculated as V=total timetotal distance=40x+60x2x=40+602×40×60=48Km/h
Solve any question of Motion in a Straight Line with:-