Four people are spaced at different distances from where a dog is barking. The barking will sound the loudest to the person who is standing?

Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude f due to the other. with time, charge gradually leaks off of both spheres. when each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be

While listening to operatic solos, musicians process the lyrics and the tunes in separate brain areas. this most clearly illustrates the functioning of different

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.