Dane is standing on the moon holding an 8 kilogram weight 2 metres above the ground. how much energy is in the weight's gravitational potential energy store? (on the moon the gravitational field strength is 1.6 n/kg.)

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.

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?