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How fast I need to drive now?

Assume you need to cross a forest.The distance to cross is one kilometer and you plan to achieve one kilometer distance in one minute.

You start your vehicle and after a while you notice that you done the first half of distance (1km) at a speed of 30 Km per hour.

How fast will you need to drive the balance distance to achieve your goal?

Photo Adaptation / Pixabay / skeeze-272447/
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muthu
muthu
120 Kms per to cross the balance distance