two skaters the first with a mass of 70.0 kg in a second with a mass and 90.0 kg push against each other if the first skater accelerate to the left at 3.0 M/sec2 to the second what will the magnitude of the acceleration experience by the second skater

i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )