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Two cars are moving in same direction with same speed 30 km/h. They are seperated from each other bu 5 km. A third car is moving in same direction meets the two after an interval of 4 minutes. The speed of third car is?

Two cars are moving in same direction with same speed 30 km/h. They are seperated from each other bu 5 km. A third car is moving in same direction meets the two after an interval of 4 minutes. The speed of third car is?

Grade:11

1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

Dear Visrant

 

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so equation from car's frame of reference

5 = (v-30)*(4/60)

V=105 km/h

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