A journey takes 4 hours 30 min at a speed of 60 km/hr. How long will the same journey takes at a speed of 15m/sec
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15m/s =54 km per hour
Distance will be same so
60×4.5=54×t
T= time taken
60×45/10=54×t
6×45=54×t
(6×45)/54=t
t=5
Time taken in a speed of 54 km/h is 5 hours
rajitkheterpal:
Hope that it is easy to understand
it was clear to me
but I have a little doubt
that how m per sec have changed to km per hour
can you solve this problem please
oh sorry that is clear to me we have to multiply it by 5 upon 18 or by 3.6
thanks
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