two men start from the same place at the same time in opposite direction at a speed of 5 km/hour and 5 m/s respectively. How much apart will they be after an hour?
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Step-by-step explanation:
Ans. As they are walking in the same direction the relative velocity between them would be = (10 - 5) kmph. = 5 kmph.
Therefore the time required for them to be 20 km apart = 20/5 = 4 hours .
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