Ravi tested a spring by hanging different weights on it. He recorded the extension in the table below. What is the extension of the spring when a 200g weight is hung on it?
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Worked Solution
Step 1: Identify the relationship from the table (50g = 2cm extension).
Step [2-9]: 200g is 4 times 50g.
Step [2-9]: Extension = 2cm x 4 = 8cm.
Correct answer: 8 cm
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