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  4. A car travels half the distance with constant velocity of 40 kmph and the remaining half with a constant velocity 60 kmph The average velocity of the car in kmph is

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Q. A car travels half the distance with constant velocity of 40 kmph and the remaining half with a constant velocity 60 kmph The average velocity of the car in kmph is

Motion in a Straight Line

Solution:

Average velocity,
$v_{ av }=\frac{s}{\frac{s}{80}+\frac{s}{120}}$
$=48 \,kmph$