Question

Convert 18km/h into m/s by using dimensional analysis

Answer 1

18KM/H =__M/S

1KM=10^3M
1H=60MINS
1MINS=60SECS
1H=60×60 SECS
1H=3600S
SO,1KM/H =1000/3600 M/S
=5/18 M/S
THEN,18KM/H=18×5/18 M/S
________________ =5M/S


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