#1
pretty simple but its confusing me.

A car traveling 70.0 mph is traveling at what speed in m/s?
1 mile=1.61 km
#2
Quote by GraveSs
pretty simple but its confusing me.

A car traveling 70.0 mph is traveling at what speed in m/s?
1 mile=1.61 km

that would be 70x1.61 = 112.7km/h

112.7km/h
= 112700m/h
=112700/60
=1878.33(repeating) m/m
=31.3m/s
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Last edited by danyellenik at Oct 1, 2008,
#4
chemistry eh?
30.5 m/s
Quote by Deliriumbassist
marmite, vegemite, termite...

anything that ends with -mite is the work of Satan's retarded cousin Vinnie.
#5
I'm not great at these kind of problems, but it sounds like you just need to do a couple of conversion factors. Like convert 70 mph to miles per second, then multiply that number by 1.61, then convert that amount into meters by multiplying by 1000. Hope that helps a little.
#6
Quote by Dirge Humani
This is Chemistry?

we had a bunch of these questions last year, its the conversion that's important for science class. But that was grade 10 science, we dont take chemistry till grade 11 here, its just general till gr 11
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#7
Quote by danyellenik
that would be 70x1.61 = 112.7km/h

112.7km/h
= 112700m/h
=112700/60
=1878.33(repeating) m/s


you releize thats would me you could travel across the country in a couple minutes
Quote by Deliriumbassist
marmite, vegemite, termite...

anything that ends with -mite is the work of Satan's retarded cousin Vinnie.
#8
Quote by GmacD
you releize thats would me you could travel across the country in a couple minutes

are you mental?

1800m's is 1.8km's.

so it's actually1.873km/s
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#9
Quote by danyellenik
that would be 70x1.61 = 112.7km/h

112.7km/h
= 112700m/h
=112700/60
=1878.33(repeating) m/s



thats m/min

u gotta divide it by 60 again to get sec

edit: also this has so little to do with chemistry that u should probably go back to a general science class to learn the difference between physics and chemistry a little better and come back when u have a stoichiometry problem u need help with

edit2: ^ to TS not to danyellenik
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Last edited by wicket_nirvana at Oct 1, 2008,
#10
Quote by wicket_nirvana
thats m/min

u gotta divide it by 60 again to get sec

...




I forgot minutes existed for a bit...

/fail right there

so it is infact 31.3 m/s
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#11
Quote by JC13
He's probably in grade 11 chemistry, and this is one of the first things you do. It's just a bunch of practice questions for converting amounts from milli/centi/deca/kilo/stuff like that.


just because hes doing review in chemistry class does not mean that this is a chemistry question, it is still a physics question, or a question about unit conversion
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