in a 100 m race a runs at 6 km/hr. if a gives b a start of 8 m and still beats him by 9 seconds what is the speed of b ?
Answers
Answered by
0
speed of a = 6kmph = m/s
time taken to cover 100 m = 60s (t=d/v)
therefore
be takes takes 69 seconds to cover 92 metres.
speed of b is distance/ time = 92/69 =
4.8 kmph
time taken to cover 100 m = 60s (t=d/v)
therefore
be takes takes 69 seconds to cover 92 metres.
speed of b is distance/ time = 92/69 =
4.8 kmph
Similar questions