Two identical springs, each with an original length of 10 cm, are used to hang a 200g weight in parallel. If one spring extends by 4 cm for a 100g weight, what is the new length of the springs in this setup?
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Worked Solution
Step 1: In parallel, the weight is shared equally between the two springs.
Step [2-9]: Each spring carries 100g (200g / 2).
Step [2-9]: Extension for 100g is 4 cm. New length = 10 cm + 4 cm = 14 cm.
Correct answer: 14 cm
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