Two identical springs, A and B, are hung side-by-side. A 50g weight is hung on Spring A and a 100g weight is hung on Spring B. If Spring A extends by 4 cm, what is the extension of Spring B?
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Worked Solution
Step 1: Extension is proportional to weight for identical springs.
Step [2-9]: 100g is twice the weight of 50g.
Step [2-9]: Therefore, the extension is 4 cm x 2 = 8 cm.
Correct answer: 8 cm
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