Answer / bijumon

speed of 1st car=>72kmph=72*5/18m/sec=20m/sec.
speed of second car=>25m/sec.
Therefore difference in their speed =5m/sec.

Answer / raghu c r

5m/sec

Answer / yamuna

1 K mph = 5/18 Mps.
So 1st driver speed = 72Kmph
=72*(5/18mps)
=20mps
2nd driver speed =25mps
Difference in their speed=5mps

Answer / guest

5 m/s

Answer / hari

FIRSTLY CONVERT 72KMPH INTO MPS ie 72*5/18 gives 20mps
speed of 2n dis 25mps
if moving in same dir then v1-v2 =5mps
if moving in opp dir then v1+v1 =45mps

Answer / rajesh

answer will be
=25-((72*(5/18))=5m/s.

Answer / asdf

mod[(72*(5/18))-25]=mod(-5 m/s)
=5m/s

Answer / cool dude

95m/sec

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