a car travels along a straight line for the first half time with speed 50 km per hour and the second half time with a speed 60 km per hour. find the average speed of the car.
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4
Answer:
hey buddy ..
here the time is divided .
therefore the formula for avg. velocity =(v1+v2)/2
(50+60)/2 =110/2 =55km/hr .. (ans.)
hope it helps..
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