If a person with mass 70.0kg, standing still, throws an object with mass 5.0kg at 50.0m/s, what will be the recoil velocity of the person, assuming he is standing on a frictionless surface

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

grav force prop 1/r squared 2r all squared is 4rsquared 1/4rsquared quartered