Amotor with an operating resistance of 2.21 ohms is connected to a voltage source. the current in the circuit is 3.8 a and the power of the system is 32 watts. what is the voltage of the source?

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not