Which of the following statements is true?

during heat flow, much of the energy is lost

during heat flow, energy is converted to matter

during heat flow, much of the energy is dissipated and cannot be used for useful work

An object is dropped from a tower, 400 ft above the ground. the object's height above ground t seconds after the fall is s(t)equals400 minus 16 t squared. determine the velocity and acceleration of the object the moment it reaches the ground. the velocity of the object the moment it reaches the ground is nothing ft/s.

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?