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Dean, Kevin – European Journal of Physics Education, 2018

The conical pendulum provides a rich source of theoretical and computational analysis and the present work presents a seamless continuation of the previous publication. The tension force F[subscript T] and centripetal force F[subscript C] are explored further in linearization analyses and the appropriate slopes are explained. A similar analysis is…

Descriptors: Science Instruction, Physics, Motion, Scientific Concepts

Dean, Kevin – European Journal of Physics Education, 2017

This paper represents a continuation of the theoretical and computational work from an earlier publication, with the present calculations using exactly the same physical values for the lengths L (0.435 m - 2.130 m) for the conical pendulum, mass m = 0.1111 kg, and with the local value of the acceleration due to gravity g = 9.789 ms[superscript…

Descriptors: Physics, Science Instruction, Graphs, Equations (Mathematics)

Dean, Kevin; Mathew, Jyothi – European Journal of Physics Education, 2016

A theoretical analysis is presented, showing the derivations of seven different linearization equations for the conical pendulum period "T", as a function of radial and angular parameters. Experimental data obtained over a large range of fixed conical pendulum lengths (0.435 m-2.130 m) are plotted with the theoretical lines and…

Descriptors: Equations (Mathematics), Motion, Science Experiments, Physics

Riggs, Peter J. – European Journal of Physics Education, 2013

Students often wrestle unsuccessfully with the task of correctly calculating momentum probability densities and have difficulty in understanding their interpretation. In the case of a particle in an "infinite" potential well, its momentum can take values that are not just those corresponding to the particle's quantised energies but…

Descriptors: Science Instruction, Scientific Concepts, Computation, Motion