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Seems easy but I need help. if the speed of x meters per sec

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Junior | Next Rank: 30 Posts
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Seems easy but I need help. if the speed of x meters per sec

by galinaphillips » Mon Jun 04, 2007 4:43 pm
if the speed of x meters per second is equivalent to the speed of y kilometers per hour, what is y in terms of x? Answer 18x/5

I'm sure this isn't hard but I'm bleary eyed and could use a little help on this one.
Thanks!
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by Neo2000 » Mon Jun 04, 2007 9:24 pm
Start with 1km/hour

The aim is to convert this to m/s

1km = 1000metres

1Hour = 60mins = 60x60 secs

So 1 km/hr = 1000/(60x60) metres/sec

Simplifying = 1km/hr = 5/18 metres/sec
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Junior | Next Rank: 30 Posts
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Thanks

by galinaphillips » Tue Jun 05, 2007 6:06 am
Thanks a lot! :)
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