Suppose you increase your walking speed from 4 m/s to 12 m/s in a period of 1 second what is your acceleration

Which type of basaltic lava flow has a fairly smooth

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

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)