Simple Harmonic Motion of a rolling ball

  • Thread starter MozAngeles
  • Start date
  • #1
101
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Homework Statement



A ball rolls on a circular track of radius 0.61 m with a constant angular speed of 1.3 rad/s in the counterclockwise direction.
A. If the angular position of the ball at t= 0 is [tex]\theta[/tex]= 0, find the x component of the ball's position at the time 2.6 s. Let [tex]\theta[/tex]= 0 correspond to the positive x direction.
B. Find the x component of the ball's position at the time 5.0 s.
C.Find the x component of the ball's position at the time 7.5 s

Homework Equations



x=Acos[tex]\theta[/tex]
[tex]\theta[/tex]=[tex]\omega[/tex]t

The Attempt at a Solution


i used x=Acos[tex]\theta[/tex], using .61 the raduis for the A, amplitude, and the angular speed of the ball 1.3 ras/s for omega and the given times 2.6 it is not coming out right so i do not know what i am doing wrong.

Homework Statement





Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
101
0
never mind.. i wasn't using radians.
 

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