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jeyben [28]
3 years ago
9

How to change V=72km/hr to m/s

Physics
1 answer:
lapo4ka [179]3 years ago
7 0
Multiply by (1000 meters / 1 km).
Then multiply by (1 hour / 3600 seconds).

Both of those fractions are equal to ' 1 ', because the top
and bottom numbers are equal, so the multiplications
won't change the VALUE of the 72 km/hr.  They'll only
change the units.

(72 km/hour) · (1000 meters / 1 km) · (1 hour / 3600 seconds)

= (72 · 1000 / 3600) (km·meter·hour / hour·km·second)

=  20 meter/second
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<h3>What are the significant digits?</h3>

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