a car travels along a straight line for the first half time with speed of40km/h and a second half time with a speed of 60km/h.what is the avg speed of the car
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heya...
Speed of the car during 1st half time (s1) = 40 km/ hr
Speed of the car during 2nd half time (s2) = 60 km/ hr
We know that,
Since Average speed (sa ) = s1 + s2 / 2,
Therefore Average speed of the car = 40 + 60 / 2
= 100 / 2
= 50 km/ hr
Therefore average speed of the car is 50 km/ hr.
tysm.......#gozmit
Speed of the car during 1st half time (s1) = 40 km/ hr
Speed of the car during 2nd half time (s2) = 60 km/ hr
We know that,
Since Average speed (sa ) = s1 + s2 / 2,
Therefore Average speed of the car = 40 + 60 / 2
= 100 / 2
= 50 km/ hr
Therefore average speed of the car is 50 km/ hr.
tysm.......#gozmit
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