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..

Determin ar altura máxima en m del objeto lanzado desde cierta altura con ecuación de desplaza miento __ S=f(t)=-2t^2+24t+30 1 punto

In the blank, put a "P" for potential energy and a "K"for kinetic energy __ 1. Riding a bike __ 2. A bird flying __ 3. Batteries __ 4. Light __ 5. A rock sitting at the top of a hill __ 6. Holding a volleyball in your hand about to serve it. __ 7. A bell at the top of a tower __ 8. Keys on the hook __ 9. A moving car __ 10. Football players tackling __ 11. A light bulb __ 12. Roller coaster at the top of a hill __ 13. Unplugged hair dryer __ 14. Typing on a key board __ 15. Food __ 16. A burning Log __ 17. A flashlight turned on

Which can help to determine how fast a car was traveling when they hit the brakes? yaw marks skid marks tire scrub

If a sky diver jumps that weighs 90 N jumps out of a plane and pulls a parachute. He started falling at -9.8m/s/s and his acceleration slowed to 0m/s/s with the chute. What is the force of the chute up? 90 N 9.8m/s/s -9.8m/s/s ON

1. Which type of nuclear use? overline (20)=% a. fission b. fusion c. propulsion d. gamma radiation 2. All of the mass of an atom comes from the a. protons c. electrons b. neutrons d protons and neutrons 3. Which subatomic particles are contained in the nucleus? a. electrons c. protons and electrons b. protons and neutrons d. neutrons and quarks 4. Why does a nuclear reaction cause one element to turn into a different one? a. The mass changes. c. It releases a lot of energy. b. The number of protons changes d The atoms turn intolons. 5. Which statement is true? a. Nuclear reactions involve electrons being shared or transferred b. Nuclear reactions involve changes to an atom's nucleus c. Half-life measures the mass of an atom. d. Nuclear reactions just rearrange atoms; they don't change the atoms into new elements For questions 6.8 refer to the picture on the right 6. What is the best name for this isotope? a. Iron-26 b. Iron-57 c. Iron-31 d Ferris -57 7. How many protons does it have? a. 57 c. 83 b. 26 8. If I add a proton, how would it change? a. Its mass would increase c. It would be cobalt. b. It would be a different isotope of iron d. a and b e. a and c 9 Different isotopes have a different a number of protons. b. chemical symbol 10. Does a beta emission change the mass of an atom? a. Yes, it loses mass when it loses protons and neutrons b. No, electrons don't have any mass c. No, the emission is just energy that doesn't have any mass d It depends on the atom c. number of neutrons d number of electrons.