Electrical energy can be produced in many
ways, such as burning coal, collecting solar
rays, and harvesting energy from wind
turbines. Regardless of how electricity is
created, it is producing energy through...
the movement of electrons
breaking down atoms
heating up isotopes
the creation of joules

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

Why does lightning travel from clouds to the ground?

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative