Imagine you are Superman and you possess great special powers. Use the clues given below and write a diary entry about your experience observations through and feeling. You may start by writing
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The current velocity of a river grows in proportion to the distance from its bank and reaches the maximum value v in the middle. Near the banks the velocity is zero. A boat is moving along the river in such a manner that it is always perpendicular to current and the speed of the boat in still water is u. If the width of river is , the distance through which the boat crossing the river will be carried away by the current is lwo then the value of b is:
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