Average speed is worked out from dividing distance by time.
Tom used more Force but over a shorter distance. Tom and Claudia both did the same amount of work.
-- There is nothing on the list of choices that you provided that has no mass.
-- There are no "things" that have no mass. Every sample of a liquid, a gas,
or a solid has mass, even if it's only an atom or two.
I think the only possible items you could name that have no mass would be
spiritual, conceptual, or sensory ones, like maybe ...
-- idea
-- conviction
-- belief
-- concept
-- image
-- sound
-- illusion
-- impression
-- agreement
-- inclination
-- tendency
-- sparkle
-- tingle
-- pain
Things like that.
Answer:
-Radio waves
-Microwaves
-Infrared light (IR)
-Visible light
-Ultraviolet (UV)
-X-ray
-Gamma rays
(this is in order from the longest wavelength to shortest wavelength)
