Asound wave travels at 330 m/sec and has a wavelenght of 2meters. calcuate the frequency and period

After an atomic bomb has been dropped, the damage continues to get worse. why is this?

What is the most useful equation for electric power?

** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils