A3.8 kg object is lifted 12 meters. approximately how much work is performed during the lifting? a. 446.9 j b. 372.4 j c. 588 j d. 45.6 ja 3.8 kg object is lifted 12 meters. approximately how much work is performed during the lifting? a. 446.9 j b. 372.4 j c. 588 j d. 45.6 j

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.

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?

Aviolently rotating column of air is formed around a region of extremely low air pressure above land. which of these weather conditions is most likely to follow? blizzard cyclone tornado hurricane