A spring is 12 cm long when it is not stretched. When a 50 g mass is hung on it, its length becomes 15 cm. What will its length be if another 50 g mass is added?
Show Worked Solution
Worked Solution
Step 1: Extension for 50g = 15 cm - 12 cm = 3 cm.
Step [2-9]: For 100g (50g + 50g), extension = 3 cm x 2 = 6 cm.
Step [2-9]: New length = 12 cm + 6 cm = 18 cm.
Correct answer: 18 cm
Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.
Start Free Trial — 7 Days Free