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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 Its my last attempt and i cant get it :(

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  1. anonymous
    • 5 years ago
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    do u think it will be -65/64 and 65/64

  2. anonymous
    • 5 years ago
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    i'm chating with the guy about your problem now

  3. bahrom7893
    • 5 years ago
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    f(t) = t^-1 - t V(t) = -1*t^(-2) - 1 V(8) = (-1/64) - 1 = -65/64 Speed at t = 8 => |-65/64| = 65/64, so yes, ur right!

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