A spring is 10 cm long. When a 100g weight is hung on it, it becomes 12 cm long. What will be the length of the spring if a 200g weight is hung on it?
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Worked Solution
Step 1: Extension for 100g = 12cm - 10cm = 2cm.
Step 2: Extension for 200g = 2cm × 2 = 4cm.
Step 3: Total length = Original length (10cm) + Extension (4cm) = 14cm.
Correct answer: 14 cm
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