Recent content by King Khan

if you could rephrase that, sorry but I really don't understand.

Homework Statement The force of gravity at Earth's surface on an astronaut if 634N. What is the force of gravity on the same person if the distance is 2m, in multiplies of Earth's radius, from the center of Earth?Homework Equations F=Gm1m2/r^2The Attempt at a Solution I really don't understand...

Would the approach taken to measurements and calculations be the same for the many different branches of science (Physics, Biology, Chemistry, and Earth science) that exist? Defend your answer by giving one example for reach branch of science listed. If someone could briefly answer this...