Which scenario is a an example of a physical change

Abird sitting high in a tree is an example of what type of wnergy

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

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)