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..
- The time needed for half of a radioactive sample to decay is called its __ period transmutation time decay period half-life
- 9. Work is done when a weightlifter holds a barbell still above his head A True B False 8. You push against the back of your friend's car that is stuck. You push and become very tired. If the car does not move, did you do work? A Yes, work was done B No, work wasn't done 9. A mass is lifted upward with a force of 49N, at a constant speed, to a height of 10 m. Calculate the work done by the lifting force. A 490 Joules B 50 Joules C 2 Joules D 49 Newtons 10. Calculate the work done by gravity when a 10kg mass is pulled across a smooth horizontal floor at a constant speed. A 98 Joules B 10 Joules C 0 Joules D 98 Newtons 11. Which requires more work: lifting a 50.0 kg crate a vertical distance of 2.0 meters or lifting a 25.0 kg crate a vertical distance of 4.0 meters? A both require the same amount of work. B lifting the 50 kg crate C too heavy, we need Superman! D lifting the 25 kg crate 12. A woman lifts her 100 N child up 1 meter and carries her a distance of 10 meters to her bedroom. How much work doos the woman do? A 2000 J BOJ C 100J D 1000J 13. If 2.0J of work is done in raising a 0.18kg apple, how far was it lifted? A 1.13 m B 90 m C 360 m D 1.76 m
- De termine the Gravitati onal P otential En ergy for 'a tean n w hose poppe r had a mass of 0.02 kg an I an average he ight of 11 m Use 9.8m/s^2 as your value for g.Round your answ ver to the ten ths p lace. GPE=underline ( )joules square
- Has the lowest penetrating power. Can only penetrate 0.05 mm into the body and can be stopped by a piece of paper or clothing. Gamma Alpha Beta
- Do 13. Two cars are moving at 60km/h but one is traveling north and the other is traveling south. Do both cars have the same velocity? Yes, because they have the same speed, and velocity only depends on speed. No, because velocity includes both speed and direction E Yes, because velocity is the same as speed regardless of direction. E No, because their speeds are different. e
