What is the mathematical relationship between frequency and period for a harmonic motion system?

Which changes of state do the labels represent? a: b: c:

During the past 150 years in the united states, how did energy consumption compare to population growth

The ideal gas model is valid if which of the following conditions is true? the gas density is low. the gas density is high. the temperature is low. the temperature is high. the gas density and the temperature are low. the gas density and the temperature are high. the gas density is high and the temperature is low. the gas density is low and the temperature is high.