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Distance and Displacement

MOHAN TAKES 1...

Question

MOHAN TAKES 15 min. TO GO FROM HIS HOME TO SCHOOL AND 30 min. FOR THE RETURN JOURNEY. IF THE DISTANCE BETWEEN THE SCHOOL AND HOME IS 4.5 km., WHAT IS HIS AVERAGE VELOCITY?

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Solution

As we know,
Average velocity = Total displacement/ total time taken
= 0 km/h

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