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Express each of the following in ms -1 a) 18kmh-1 ​
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Express each of the following in ms -1
a) 18kmh-1
​

User Senotrusov
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1 Answer

1 vote
1km=1000m; 1hr=3600secs
1km/hr=1000/3600= 5/18m/sec
To convert km/hr into m/sec, multiply the number by 5 and then divide it by 18.

18kmh-1= 18•5=90
90/18=5
5ms-1
User Shlomi Agiv
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