The high A string on a piano has a frequency of 3520 Hz. If the tension in the 1.25-m-long string is 798 N and 4.5 wavelengths occupy the string, what is the mass of the string

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell