Calculate the electric field magnitude 20 mm from the near end of the rod, along its long axis. Express your answer with the appropriate units.

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 : )

second mirror gathers light from a faraway object and reflects it to another mirror. - a.

answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg

im srry but ur wrong the answer is d a smooth rock, some red dirt, and an empty bird's nest.