Arrey, first you must divide 72 by 3.6 to get meters per second, so 20 m/s. But baap re, don't be like me who ignored these sums, thinking I only needed to know the price per kilo of bhaji. Now when my daughter explains her building plans, the numbers swim before my eyes. Sometimes the straight road in a textbook is not the one life takes you on.
#exams#study
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