The electric potentiol is constabt through a given region of space. is the electric field zero, or non zero in this region explain ?

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.

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

How is the ideal mechanical advantage of a wheel and axle calculated?