The table shows the length of a spring when different weights are hung on it. What is the original length of the spring?
Show Worked Solution
Worked Solution
Step 1: Identify the extension rate. For every 10g, the spring extends by 5cm (15cm - 10g, 20cm - 20g).
Step 2: Calculate the length with 0g weight.
Step 3: 15cm (at 10g) - 5cm (extension for 10g) = 10cm.
Correct answer: 10 cm
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