- When a 0.20 kg block is hung, the spring's length is 10 cm.
- When a 0.50 kg block is hung, the spring's length is 13 cm.
- The change in length when moving from 0.20 kg to 0.50 kg is:
\( 13 \, \text{cm} - 10 \, \text{cm} = 3 \, \text{cm} \)
- The
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