Aboat floats because of which force? a. cohesive force b. buoyant force c. adhesive force d. weight

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)

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

What ia the energy of an object because of its potential and kinetic energies