Which of the following would be an example of mechanical energy? Elastic Energy, Kinetic Energy, Gravitational Potential Energy

Gravitational Potential Energy, Thermal Energy

Electric Potential Energy, Nuclear Energy, Kinetic Energy

Magnetic Energy, Elastic Potential Energy

Why there is no inductive reactance in dc circuits

Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants

It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.