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3psilon Group Title

A particle moves in a circle of radius 90m with a constant speed of 25 m/s . What is the angular velocity in radians per second about the center of the circle?

  • 2 years ago
  • 2 years ago

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  1. soty2013 Group Title
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    |dw:1351140725393:dw|

    • 2 years ago
  2. Aperogalics Group Title
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    2*pi*r=565.484 time taken =565.484/25=22.6194sec so \[\omega\]=2*pi/22.6194=0.2831rad/sec

    • 2 years ago
  3. Aperogalics Group Title
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    :)

    • 2 years ago
  4. Algebraic! Group Title
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    or V=r*omega omega =V/r

    • 2 years ago
  5. 3psilon Group Title
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    That's the route I went @Algebraic!

    • 2 years ago
  6. 3psilon Group Title
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    But I got a small number , how do i convert it into radians

    • 2 years ago
  7. Aperogalics Group Title
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    multiply it with (pi/180) which converts it into radians:)

    • 2 years ago
  8. Algebraic! Group Title
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    it's already in radians /sec

    • 2 years ago
  9. Algebraic! Group Title
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    .277777777777 rad.s/sec

    • 2 years ago
  10. Algebraic! Group Title
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    look at it this way... it's only going 25 m/s ... it's going to take a while to go around the circle once... 2pi/.2777777777 in fact, is how long one complete rev. will take...

    • 2 years ago
  11. Algebraic! Group Title
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    @aperogalics showed that explicitly...

    • 2 years ago
  12. 3psilon Group Title
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    ohh okay okay ! Thank you @Algebraic!

    • 2 years ago
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