An insulated wire of diameter 1.0 mm and negligible resistance is wrapped tightly around a cylindrical core of radius 5.0 cm and length 30 cm to build a solenoid. what is the energy stored in this solenoid when a 0.20 a current flows through it?

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom