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anonymous

  • 5 years ago

The elongation E of a spring balance varies directly with the applied weight W. If E=4 when W=35, find E when W=20.

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  1. anonymous
    • 5 years ago
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    are you familiar with hooke's law?

  2. anonymous
    • 5 years ago
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    No, I'm not.

  3. anonymous
    • 5 years ago
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    what grade are you?

  4. anonymous
    • 5 years ago
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    I set this up as a ratio, but got the wrong answer.

  5. anonymous
    • 5 years ago
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    10th

  6. anonymous
    • 5 years ago
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    4/35=x/20

  7. anonymous
    • 5 years ago
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    Where did the 35 come from

  8. anonymous
    • 5 years ago
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    If E=4 when W=35

  9. anonymous
    • 5 years ago
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    from you question

  10. anonymous
    • 5 years ago
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    Oops, I meant 25. Sorry, but it is the same concept.

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spraguer (Moderator)
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