Study the table below showing 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: Observe the pattern of extension. For every 10g added, the length increases by 2 cm (14-12=2).
Step [2-9]: Subtract the extension caused by the first 10g from the length at 10g (12cm - 2cm = 10cm).
Step [2-9]: The original length is 10 cm.
Correct answer: 10 cm
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