Ayuda con la tarea de física
La física es una materia muy importante entre todas las disciplinas naturales, utilizada para explicar las maravillas de la vida, y también es una de las materias más difíciles de estudiar.
QuestionAI es un solucionador de problemas de física rico y sencillo para principiantes en física, con el que puedes aprender sobre cada átomo y sus propiedades, con las trayectorias que lo acompañan de las moléculas bajo fuerzas que interactúan. Por supuesto, también podrás explorar los secretos escondidos entre las galaxias con otros entusiastas de la física. Plantee con valentía sus conjeturas y preguntas a la IA y encontrará fácilmente respuestas autorizadas..
- Explain how Edwin Hubble discovered how all galaxies are expanding away from each other and us (hint: think back light waves and perhaps evensong waves)
- Pulling a banner behind itself, an airplane exerts a force of 120 newtons over a distance of 550 km.Calculate the work the airplane does on the banner. Work (W) is the product of the force and the system's dispacement.
- Reggie accidentally left his books on top of his car before he left for class. The books stayed on top of his car while he was driving north on Oak Avenue.Then, when he made a sharp turn eastward onto Harris Lane, his books fell off the top of his car and onto the street. Which of the following best explains why Reggie's books fell? A. The force of gravity caused Reggie's books to slide across the top of his car and fall. B. Heat energy from the sun caused Reggie's books to slide off the top of his car and fall. OC. When Reggie's car turned eastward, his books continued moving northward,causing them to slide off the top of his car. D. The Earth's magnetic field held the books on Reggie's car while he headed north. When he turned east, the magnetic pull faded, causing the books to fall
- An electric motor lifts an elevator 9 m in 158 by exerting an upward force of 1.20times 100,000N What power does the motor produce in kW?
- The amount uted over a given aréa is __ unt of force distributed mass torque pressure weight
