helppppp95571 helppppp95571
  • 09-02-2024
  • Mathematics
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The length of an elastic string is x when tension is 5N. Its length is y when tension is 7N What will be its length when tension is 9N?
A. 2y+x
B. 2y−x
C. 7x−4y
D. 7x+5y

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