two cars are 15 kms apart. one is turning at a speed of 50 kmph and the other at 40 kmph . how much time will it take for the two cars to meet?
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The speed of first car= 50 km/hr
Speed of second car = 40 km/hr
As they are moving towards each other, their relative velocity will be the sum of the velocities of the two bodies.
So relative velocity = 50+40 = 90 km/hr.
Now a/q:- distance (d) = 15 km
Speed (s) = 90 km/hr
As we know s=d/t
So t=d/s
Hence t = 15/90 = 1/6 hr = 10 mins = 600 seconds
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