Position of a particle is given by x = (2 cm) cos 10πt

  • Thread starter laser123
  • Start date
  • #1
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Homework Statement



The position of a particle is given by x = (2 cm) cos 10πt, where t is in seconds.
(a) What is the frequency?
Hz
(b) What is the period?
s
(c) What is the amplitude of the particle's motion?
cm
(d) What is the first time after t = 0 that the particle is at its equilibrium position?
sIn what direction is it moving at that time?
in the negative direction
in the positive direction

Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
1,506
18


The general form of the equation you are using is
x = ACos(ωt)
x is the displacement, A is the amplitude and ω is the ANGULAR frequency
Hope this helps
 
  • #3
390
1


You will need to show some working first, where are you having problems and what have you done so far?
 

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