paradisetiyae891 paradisetiyae891
  • 24-10-2019
  • Mathematics
contestada

A car is traveling at a speed of 25 meters per second what is the cars speed in kilometers per hour how many kilometers will the car travel in 2 hours ?

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sqdancefan
sqdancefan sqdancefan
  • 24-10-2019

Answer:

  • 90 km/h
  • 180 km

Step-by-step explanation:

There are 1000 m in 1 km, and 3600 s in 1 h, so the speed conversion is ...

  [tex]\dfrac{25\,m}{s}\cdot\dfrac{1\,km}{1000\,m}\cdot\dfrac{3600\,s}{1\,h}=\dfrac{90\,km}{h}[/tex]

The car's speed is 90 km/h.

__

In 2 hours, the car will travel ...

  distance = speed · time = (90 km/h)(2 h) = 180 km

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