an image is formed in a concave mirror that is the same size as the object inverted in front of the mirror and real. Where must the object be located?

Apassenger walks toward the rear of a moving train. describe her motion as seen from a reference point on the train. then describe it from a reference point on the ground

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system