An experiment compares the time it takes to accelerate two carts from 1 m/sec to 2 m/sec. Different amounts of force are tested. The table below lists the results of the experiment What conclusion is supported by the results of the experiment?

Which statement correctly describes the relationship between frequency and wavelength?

When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.

What are known as the properties of substances that describe a substance et does not change that substances?