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anonymous

  • 5 years ago

A particle moves along a straight line with equation of motion s = f(t), where s is measured in meters and t in seconds. Find the velocity and speed when t = 8. f(t) = t ^(-1) - t

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  1. anonymous
    • 5 years ago
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    to find the velocity you need to take the dervitive of the s, so v(t)= -1t^(-2)-1 , now plug 8 in t and u will get , v= -1.015, and the speed will be the absloute value

  2. anonymous
    • 5 years ago
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    got it!! thank u!!

  3. anonymous
    • 5 years ago
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    you r more than welcom =)

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