Collisions question plzz help mee

Which statement correctly describes the relationship between frequency and wavelength?

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

What properties of a moving object are used in determining the object's energy of motion