emilos6087 emilos6087
  • 12-12-2019
  • Mathematics
contestada

Tires are rotating at a rate of 18 revolutions per minute. Find the angular speed of the tires in radians per minute.

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prozehus
prozehus prozehus
  • 16-12-2019

Answer:

ω[tex]=36\frac{\pi rad}{min}[/tex]

Step-by-step explanation:

the angular speed is the angle rotated by a unit of time, then 1 revolution is equal a 360° = 2πrad, so

ω=[tex]18\frac{rev}{min}*2\pi\frac{rad}{rev}=36\frac{\pi rad}{min}[/tex]

we can only use π/min since rad are dimensionless

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