Which equation links elastic potential energy (EeE_eEe), spring constant (kkk) and extension (eee)?
Ee=0.5keE_e = 0.5keEe=0.5ke
Ee=ke2E_e = ke^2Ee=ke2
Ee=0.5k2eE_e = 0.5k^2eEe=0.5k2e
Ee=0.5ke2E_e = 0.5ke^2Ee=0.5ke2
40 exam-style questions on AQA GCSE Physics 1.1 Energy changes in a system, and the ways energy is stored before and after such changes, covering 1.1.1 Energy stores and systems, 1.1.2 Changes in energy, 1.1.3 Energy changes in systems, and 1.1.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.