CAPE Physics Unit 1 · 2014 · Paper 1 · Question Q42
Two identical springs hang side by side (in parallel) and are connected to a load of 7.5\text{ N}. They each experience an extension of 2.5\text{ cm}. What is the force constant of ONE of the springs?
- (A)
1.5\text{ N m}^{-1} - (B)
30\text{ N m}^{-1} - (C)
150\text{ N m}^{-1} - (D)
300\text{ N m}^{-1}
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