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.
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- 2. Name four changes that can occur in response to a change in energy.
- Two charged particles with the same charge are held apart at a distance. What will the particles likely do if they are released? They will accelerate towards each other They will rotate around one another according to the right hand rule They will accelerate away from each other They will stay in place
- Part A. Vocabulary Review Directions: Complete the following sentences using the terms listed below. magnetism magnetic poles magnetic domains turbine electromagnet repel commutator generator electromagnetic induction alternating current direct current galvanometer transformer electric motor __ 1. The regions on a magnet where the magnetic force is strongest are called __ . __ 2. The south pole of a magnet will __ the south pole of another magnet. __ 3. A device that uses an electromagnet to measure electric current is a(n) __ . __ 4. A device used to increase or decrease the voltage of current in a'power line is a(n) __ . __ 5. A switch that regularly reverses the current in some motors is a(n) __ __ 6. Current that flows in only one direction through a wire is called __ __ 7. A large wheel that rotates when pushed by water, wind, or steam. __ 8. When current in a circuit reverses its direction in a regular pattern, it is called __ . __ 9. The properties and interactions of magnets are referred to as __ . __ 10. Groups of aligned atoms in a magnet are called __ . __ 11. A(n) __ is formed by placing a piece of iron inside a current- carrying coil of wire __ 12. A machine that changes electrical energy to mechanical energy is a(n) __ used to do work such as turning a fan. __ 13. A device that produces an electric current by rotating a coil of wire in a magnetic field is a(n) __ __ 14. The process by which moving a wire through a magnetic field produces an electric current is
- Multiple Choice 1 point Coulomb's Law is related to which other law in physics because it is based on the inverse square law? Kepler's Law Law of Universal Gravitation Laws of Motion Einstein's Theory of Relativity
- 15. At what degree does a blood drop start to form a Tail? __ degrees 16. Label the blood drop: __ 17. What is velocity?How does it affect a blood drop? __ __ __
