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Date November 2017 Marks available 1 Reference code 17N.1.SL.TZ0.7
Level Standard level Paper Paper 1 Time zone Time zone 0
Command term Question number 7 Adapted from N/A

Question

A system that consists of a single spring stores a total elastic potential energy Ep when a load is added to the spring. Another identical spring connected in parallel is added to the system. The same load is now applied to the parallel springs.

What is the total elastic potential energy stored in the changed system?

A. Ep

B. \(\frac{{{E_p}}}{2}\)

C. \(\frac{{{E_p}}}{4}\)

D. \(\frac{{{E_p}}}{8}\)

Markscheme

B

Examiners report

[N/A]

Syllabus sections

Core » Topic 2: Mechanics » 2.3 – Work, energy, and power
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