suvinrubinp9t8kx suvinrubinp9t8kx
  • 04-06-2018
  • Physics
contestada

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

Respuesta :

AL2006
AL2006 AL2006
  • 04-06-2018
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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