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ptejav

Joined: 08 Sep 2010
Posts: 3
Location: INDIA

 Posted: Thu Sep 09, 2010 4:36 pm    Post subject: Circular Motion If a particle moves along the circle with constant speed, then th eratio of its angular speed about any point on the circle tothat of the centre is? please explain
ptejav

Joined: 08 Sep 2010
Posts: 3
Location: INDIA

Posted: Thu Sep 09, 2010 4:38 pm    Post subject: Re: Circular Motion

 ptejav wrote: If a particle moves along the circle with constant speed, then th ratio of its angular speed about any point on the circle to that of the centre is? please explain
hepcj

Joined: 23 Jun 2007
Posts: 125

 Posted: Thu Sep 09, 2010 7:33 pm    Post subject: The angular speed is how fast the particle rotates. The velocity depends on how for the particle is from the centre. In fact the the velocity is given by v = r w where r is the distance of the particle from the centre and w (omega) is the angular velocity. The question is not worded very well. It says angular speed, so I presume this is the angular velocity which is constant if the particle is moving at constant speed. Therefore the ratio would be 1. If the questions means the velocity v of the particle then ratio is r = v/w, this would at least teach you something about the relationship between angular velocity and velocity.
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