1.- Del siguiente sistema de fuerzas en el cual la interacción de todas las tensiones hace que
el sistema se mantenga en equilibrio conocemos que el angulo formado entre la T4 y el
nodo es de 40º y entre T5 y el nodo es de 65°, cuelga una masa de 400 g.
a) Desarrollar los Diagramas de cuerpo libre necesarios para la resolución de ejercicio.
b) Calcular las masas de la pesa 1 y 2 que permiten que el sistema se mantenga en
equilibrio.
Answers: 2
Physics, 22.06.2019 05:50
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 2
Physics, 22.06.2019 11:50
The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
Answers: 1
Physics, 22.06.2019 14:40
Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
Answers: 1
1.- Del siguiente sistema de fuerzas en el cual la interacción de todas las tensiones hace que
el s...
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