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Q:
Si un rayo de luz incide sobre el diamante con un ángulo de \( 50^{\circ} \) respecto de la horizontal ¿con qué ángulo se refracta el rayo? ¿Cuál es el ángulo límite para un rayo de luz que saliera del diamante? \( n_{\text {diamante }}=2,41 \)
Q:
Se tiene un cilindro de doble clecto neumático. Cuyo diámetro interno (embolo y Cámara interna) es de 20 cm . El vástago del cilindro tiene un diámetro de 5 cm . El pilotaje de este cilindro se realiza con una presión de \( 4 \mathrm{~N} / \mathrm{m}^{2} \). Misma presión para ambas camałas del cilindro. (Ver imagen de referencia mas abajo) 1- Calcule la fuerza se ejerce al salir el vástago y la fuerza que se ejerce al entrar el vástago. 2- Indique cual fuerza es mayor y por qué.
Q:
Complete the following statements related to the law of universal gravitation. Read the beginning of each statement and match it with one of the phrases at the bottom to complete it correctly. "The reason the Moon's gravity affects the Earth more than Jupiter's does, even though the Moon has a smaller mass, is because" The larger object will have a greater gravitational force The force due to gravity will be less Inversely proportional. The distance is less.
Q:
Complete the following statements related to the law of universal gravitation. Read the beginning of each statement and match it with one of the phrases at the bottom to complete it correctly. "When one object has more mass compared to another object at a certain distance" The larger object will have a greater gravitational force The force due to gravity will be less The distance is less.
Q:
Complete the following statements related to the law of universal gravitation. Read the beginning of each statement and match it with one of the phrases at the bottom to complete it correctly. "If an object is farther away" The larger object will have a greater gravitational force The force due to gravity will be less Inversely proportional. The distance is less.
Q:
Complete the following statements related to the law of universal gravitation. Read the beginning of each statement and match it with one of the phrases at the bottom to complete it correctly. "If an object is farther away" The larger object will have a greater gravitational force The force due to gravity will be less Inversely proportional. The distance is less.
Q:
True or False: The greater the distance between objects, the weaker the gravitational force. * 1 point True False
Q:
True or False: The greater the distance, the stronger the gravitational force. * True False
Q:
10. Temperatura del aire Cuando el aire asciende, se dilata y, al dilatarse, se enfria a razon de alrededor de \( 1^{\circ} \mathrm{C} \) por cada 100 metros de ascenso hasta unos 12 km . (a) Si la temperatura del suelo es de \( 20^{\circ} \mathrm{C} \), escriba una fómula para la temperatura a una altura \( h \). (b) ¿Qué intervalo de temperaturas se puede esperar si un avión despega y alcanza una altitud máxima de 5 km ?
Q:
3-Analiza las siguientes situaciones e indica que transformaciones de energia se manifustan: a-Lamparita funcionado en una vivienda b- Niño corriendo c- Ascensor subiende d- Carrito de mantaño rusa descendiendo
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