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Referring to previous wustration, what is the time elapsed for swimming, width of the river is (1//2) km |
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Answer» SOLUTION :Time of swimming , `t=(d)/(v_(MW)COSTHETA)` `rArr t=(1//2)/(5cos30^(2))=(1)/(10)xx(2)/(sqrt3)=(1)/(5sqrt3)HR` |
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