Answers

2014-12-07T12:15:51+05:30
Speed of man  9m/se
Distance covered is =  150*60s*9m/s
                                = 9000s *9m/s
                                =81000m= 81 km
 The distance covered is 81km
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2014-12-07T13:23:02+05:30
speed=9 m/s
time= 2hrs 30 mins= 9000seconds
speed=distance/time
distace=speed*time
           =9*9000
           =81000metres
           =81kilometers
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