A coke can that has been shaken and then opened. What are the variables in this scenario written response

How will the system respond to a temperature increase?

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate