Find out the frequency of a sound wave whose wavelength is 15m. The speed of sound in air is 330m/s.

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

Write a polynomial function with the given zeros x= -1,0,2show your work