anonymous
  • anonymous
A spring in, when not taut, has length 10cm. suppose it takes 1kg m/sec^2 to compress the spring 1cm. What is the work required to stretch the spring 3cm?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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amistre64
  • amistre64
W = F*d ; We integrate this somehow, gonna have to refresh meself on it tho
amistre64
  • amistre64
{S} f(x) dx where f(x) = hookes law; kx
amistre64
  • amistre64
k = 1kg and x = 1 cm; so ....still reading up on it lol

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amistre64
  • amistre64
oy its been awhile ..... 1000 kg m/sec^2 = k(.01m) maybe?
amistre64
  • amistre64
k = 100 kg/sec^2 then i think
amistre64
  • amistre64
the int this 100x (kg m/sec^2) from 0 to .03 m
amistre64
  • amistre64
100x^2 ------- = 50x^2 at x=.03 2 50*.0009 = .045 maybe... I aint got the textbook with me to be sure :)
anonymous
  • anonymous
i will make sure to double check with the t/b thanks amistre64 you are a big help! :)
amistre64
  • amistre64
youre welcome :) it sounds right, but I just cant be sure ...its been to long since I tried doing spring calculus lol

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