Which of the following statements about gravitational potential energy is not true?
a. its magnitude is related to the work done by lifting an object.

b it depends on the choice of a coordinate system.

c. it is equal to the force required to move an object times the distance it is moved.

d. it is equal to the kinetic energy of the falling object at y = 0.

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

What is a possible result of higher air temperature caused by global warming