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reggiegilbert1995
12.08.2020 •
Physics
Ejercicio 1 De las siguientes afirmaciones, indica cuales son verdaderas y cuales falsas. En caso de ser falsas justifica. a- Las fuentes de luz crean energía. b- Un tubo de luz es una fuente de luz natural y luminiscente. c- La sombra se forma por interponer un objeto translúcido en un haz luminoso. d- La 2da Ley de la reflexión establece que el ángulo de incidencia es igual al ángulo de reflexión. e- El ángulo de incidencia, es el ángulo que forma el rayo incidente con el espejo. f- El fenómeno de refracción sucede cuando la luz pasa de un medio trasparente a otro.
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Ответ:
8.04924 m/s²
Explanation:
r = Distance the child is from the center = 4.65 m
Velocity is given by
Radial acceleration is given by
Tangential acceleration is given by
The resultant acceleration is given by
The magnitude of the acceleration of the child is 8.04924 m/s²