2 papers
physics.ed-ph2026
Johann Bernoulli's analysis of elastic collisions (a teaching sequence to introduce the dynamic law thereby inspired)
Roberta T. Campos, Mariana F. B. Francisquini, Penha M. Cardozo Dias
In order to explain an elastic collision, Johann Bernoulli considered two bodies connected by a spring. Motion is defined as a succession of states of rest. Then, considering the s…
physics.ed-ph2022
Galileo's speedometer: an approach to the concept of instantaneous velocity
Carlos Eduardo Aguiar, Marta F. Barroso, Penha Maria C. Dias +1
Difficulties presented by students on the concept of instantaneous velocity are well known. This is in part due to instantaneous speed being often defined in terms of the notion of…