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Vargas-Rodríguez, Yolanda Marina; Obaya Valdiva, Adolfo Eduardo; Montano-Osorio, Carlos; Lima-Vargas, Alvaro E.; Pacheco-Ortin, Sandy M.; Vargas-Rodriguez, Guadalupe I. – Online Submission, 2020
A problem-based online learning (PBe-L) teaching sequence was designed for calculating the shelf life (expiration date) of an on-site solution of refrigerated drug as part of activities of a Pharmaceutical Physical Chemistry course of Pharmacy major at FES Cuautitlán UNAM in Mexico. The teacher presents students the problem, a group collaborative…
Descriptors: Electronic Learning, Problem Based Learning, Preservation, Pharmaceutical Education
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Gauthier, N. – International Journal of Mathematical Education in Science and Technology, 2005
The equation of motion for a mass that moves under the influence of a central, inverse-square force is formulated and solved as a problem in complex variables. To find the solution, the constancy of angular momentum is first established using complex variables. Next, the complex position coordinate and complex velocity of the particle are assumed…
Descriptors: Motion, Scientific Concepts, Kinetics, Mechanics (Physics)