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tladitidimatso3976
06.09.2019 •
Physics
What is the increasing inertia of a 10,000 kg train at rest
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Ответ:
No increase in inertia
Explanation:
According to law of inertia we know that if a body is at rest position it will remain in rest position and if a body is moving then it will remain moving until we apply any external force
Here it is given that the train is in rest means according to law of inertia it will be in rest until we apply any external force and its inertia will be constant
As its inertia is constant so there is no increase in inertia.
Ответ:
Explicación completa más abajo
Explanation:
Estándares de Medición
En física, química y otras ciencias exactas usamos magnitudes como el metro, segundo, kilogramo, etc. que son aceptadas internacionalmente y cualquier persona puede dar sus mediciones referidas a esos patrones estandarizados.
Si en algún lugar, alguien decide usar una unidad de medida no estándard, como por ejempl, la distancia entre su dedo meñique y pulgar y le pone un nombre (en mi país lo llamamos 'cuarta'), resulta que esa unidad no es única, pues depende del tamaño de la mano del que mide y de la forma como la estira. Aún asi, la precisión sería muy mala.
Es por eso que debemos ajustarnos a usar los patrones internacionales como el SI para expresar las magnitudes de los fenómenos que estudiamos