WILL MARK BRAINLIEST PLS HELP WITH PHYSICS QUESTION

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2