light waves slow down as they travel from the air through the water
When conducting and experiment you want to have a notebook and something to write down notes with so you can keep everything organized and proper, and to not miss anything in the experiment. Also you want to have everything in order of the way it should be in.
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In terms of energy, change the angle of the ramp changes the amount of potential energy (increases when the ramp is raised). Potential energy converts to kinetic energy when the ball is released. The more PE, the more KE.
There is no lines that we can see. Also the rate of something has the biggest number or its either gonna be the longest line, yw .
