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Simple Harmonic Motion

  • Thread starter asz304
  • Start date
  • #1
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Homework Statement


The position of a an air-track cart that is oscillating on a spring is given by (12.5cm)cos[(18.0s-1)t].
At what value t after t=0 is the cart first located at x=12.2 cm?

The Attempt at a Solution


12.2 cm = (12.5cm)cos[(18.0s^-1)t].

How do I factor t out?

Thanks
 

Answers and Replies

  • #2
1,384
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What is s?
 
  • #3
108
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I believe s^-1 is f which is equivalent to 1/T. T is period which is not equal to t time. Anyone could help me?
 

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