Siti measured the length of a spring as she added weights to it. The original length of the spring was 12 cm. When 40g of weight was added, the length became 16 cm. What would be the extension of the spring if 100g of weight was added?
Show Worked Solution
Worked Solution
Step 1: Calculate extension for 40g = 16 cm - 12 cm = 4 cm.
Step [2-9]: Calculate extension per 10g = 4 cm / 4 = 1 cm.
Step [2-9]: Extension for 100g = 10 units of 10g = 10 x 1 cm = 10 cm.
Correct answer: 10 cm
Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.
Start Free Trial — 7 Days Free