IB Physics HL A 3 11 Elastic Potential Energy Questions
Practise HL elastic-energy calculations for springs, equilibrium, parallel systems and deformation in quantitative exam questions.
- Syllabus
- First assessment 2025
- Course
- Physics HL
- Level
- HL
Exam points
- Combine spring energy with gravitational or kinetic energy to calculate extension, speed or stored elastic energy.
- Use spring-force data and equilibrium conditions to calculate extension, energy and the effect of parallel springs.
- Explain how elastic deformation affects impulse, contact time and the speed of an object after collision.
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IB Physics HL A 3 11 Elastic Potential Energy Questions question 1
An elastic climbing rope is tested by fixing one end of the rope to the top of a crane. The other end of the rope is connected to a block which is initially at position A. The block is released from rest. The mass of the rope is negligible.
diagram not to scale
The unextended length of the rope is 60.0 m . From position A to position B, the block falls freely.
The length reached by the rope at C is 77.4 m . Suggest how energy considerations could be used to determine the elastic constant of the rope.
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