A uniform cylindrical disk of radius 0.7 m is set spinning around its center by a net force of 15 N applied via a string wrapped around it (like a pulley). How much torque does the disk experience? What length of string has come unspooled in this same time?

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.