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Nuclear Applications Quizzes, Questions & Answers

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Preguntas de selección multiple con unica respuesta tipo saber icfes. ¡Animate a responder! REACCIÓN EN CADENA

Questions: 10 | Attempts: 2786 | Last updated: Mar 22, 2023

Sample Question
Un carro de masa M, se mueve sobre una superficie horizontal con velocidad V1 en la dirección que ilustra la figura (a). En cierto instante un objeto de masa m que se mueve perpendicular a la superficie, cae en el interior del carro y continúan moviéndose los dos como se muestra en la figura (b). Desprecie el rozamiento entre la superficie de la carretera y el carro. La rapidez del carro después de que el bloque cae dentro de él:

Disminuye porque la cantidad de masa que se desplaza horizontalmente aumenta.

Aumenta porque durante el choque el carro adquiere la velocidad del objeto que cae.

Aumenta porque al caer el objeto le da un impulso adicional al carro.

No cambia porque el momentum del objeto es perpendicular a la del carro.