The speed of sound is 331 m/s: in a vacuum
in air, water, or any other medium
in air at 0°C
in air at any temperature

Protons and neutrons are found within the nucleus of an atom

The metric unit of electrical power is the watt volt ampere ohm

Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.