Posted by **Emma** on Thursday, December 19, 2013 at 6:47pm.

How do you do a double conversions and metric measurements?

32km/hr > m/s

Like how do you convert that?

- Science -
**Henry **, Thursday, December 19, 2013 at 7:52pm
V = 32km/h = 32000m/3600s = 8.89 m/s.

32km = 32,000 m.

1h = 3600s.

- Science -
**Damon**, Thursday, December 19, 2013 at 8:22pm
anything/divided by the same thing does not change anything really but the name of it

so multiplying by (1000 m/ 1 km ) for example

does not change the amount, just its name

so

(32 km/hr)(1 hr/3600s)(1000 m/km)

hr cancels, km cancels

comes out in m/s

- Science -
**Damon**, Thursday, December 19, 2013 at 8:23pm
That trick does not matter here, but when you get problems with a whole bunch of conversions needed, it sure helps.

- Science -
**Henry **, Friday, December 20, 2013 at 6:06pm
Yes, I use that trick when there are more conversions than we have here.

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