Which of the following types of waves travels at a different speed through different materials? a. sound waves b. light waves c. seismic waves d. all of these

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm