(a) What is the magnitude and direction of the passenger\'svelocity relative to

Question

(a)   What is the magnitude and direction of the passenger'svelocity relative to the water? (b)   How long does it take for the passenger to walk a distance of27 m on the boat? (c)   How long does it take for the passenger to cover a distance of27 m on the water? (a)   What is the magnitude and direction of the passenger'svelocity relative to the water? (b)   How long does it take for the passenger to walk a distance of27 m on the boat? (c)   How long does it take for the passenger to cover a distance of27 m on the water?

Explanation / Answer

Given : Speed of the boat ( u ) = 5 m/s Speed of the person ( v ) = 1.5 m/s     The speed of person relative to water      a )    V =u - v             = ( 5 m/s ) - 1.5 m/s             = 3.5 m/s due to south     b )   Distance( d ) = 27 m      Time take by the person tocover the distance on boat                                           ( t ) = d / v                                                 = 27 m / 1.5 m/s = 18 s c )   Time taken by the person to cover 27 mdistance of water     t = d / V       = 27 m / 3.5 m/s         = 7.7 s

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