1988
DOI: 10.1119/1.2342517
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Physics for Scientists and Engineers with Modern Physics

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Cited by 999 publications
(1,442 citation statements)
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“…Although correct calculations for the reaction forces are present in introductory textbooks of fluid mechanics [2], the erroneous explanation is widely disseminated and is present for example in companies selling nozzles, in firefighters training documents, in physics textbooks and physics courses of well known universities. Several examples of this error are shown below: Example 1 A well known physics textbook explicitly states (Example 9.16: fighting a fire) [3]: ''As the water leaves the hose, it exerts on the hose a thrust that must be counteracted by the 600-N force exerted by the firefighters''. In this example the authors blindly used the result for the thrust to calculate a non existent backward reaction on the firefighters.…”
mentioning
confidence: 99%
“…Although correct calculations for the reaction forces are present in introductory textbooks of fluid mechanics [2], the erroneous explanation is widely disseminated and is present for example in companies selling nozzles, in firefighters training documents, in physics textbooks and physics courses of well known universities. Several examples of this error are shown below: Example 1 A well known physics textbook explicitly states (Example 9.16: fighting a fire) [3]: ''As the water leaves the hose, it exerts on the hose a thrust that must be counteracted by the 600-N force exerted by the firefighters''. In this example the authors blindly used the result for the thrust to calculate a non existent backward reaction on the firefighters.…”
mentioning
confidence: 99%
“…Generalmente, los resultados obtenidos para movimiento relativo traslacional no son simplemente aplicados a sistemas rotantes, como puede ser visto en muchos libros de texto ( [3], [4]) donde la dinámica rotacional sólo es tratada después de un cuidadoso estudio de la mecánica traslacional. No obstante, esta no es una cuestión trivial que serviría sólo para analizar la física sobre una calesita, por ejemplo.…”
Section: Introductionunclassified
“… Utilizing K-step activation function: The K-step function [56] or threshold function is a linear activation function for transformation of input values. This kind of function as shown in Equation (8) is limited with K values based on the number of classes of the dataset, and each limited domain of thresholds refers to the special output value of the K-step function.…”
Section: A Single Layer Semi-supervised Feed Forward Neural Network Cmentioning
confidence: 99%