As the frequency of a was increases, what happens to it's period and wavelength if the speed stays the same?

Niobium forms a substitutional solid solution with vanadium. compute the number of niobium atoms per cubic centimeter for a niobium-vanadium alloy that contains 24 wt% nb and 76 wt% v. the densities of pure niobium and vanadium are 8.57 and 6.10 g/cm3, respectively

What is work? how much work is done to move an object 0 meters?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.