A and b take part in 100 m race. a runs at 5 kmph. a gives b a start of 10 m and still beats him by 18 seconds. the speed of b is:
Answers
Answered by
0
Speed of A =5*5/18= 25/18m/s
Time taken by A to cover distance = 18/25*100
=72sec
Distance of B =100-10=90m
Time of B= 72+18= 90sec
Speed of B =90/90*18/5= 3.6m/s
Time taken by A to cover distance = 18/25*100
=72sec
Distance of B =100-10=90m
Time of B= 72+18= 90sec
Speed of B =90/90*18/5= 3.6m/s
Similar questions