The diagram alongside shows a model of a sample of gas particles at room temperature. Which diagram best shows the results of removing heat from
this sample until it freezes?
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Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?

A36,287 kg truck has a momentum of 907,175 kg • . what is the truck’s velocity