don't In another dream, you find yourself in the middle of outer space with your best friend and his evil twin. They look identical but you know the evil twin has a much lower mass since he is only part human (and part machine.) Without harming either of them, how can you determine which one is the evil twin? Consider Newton's Second Law and inertial mass.

don't In another dream, you find yourself in the middle of outer space with your best friend and his evil twin. They look identical but you know the evil twin has a much lower mass since he is only part human (and part machine.) Without harming either of them, how can you determine which one is the evil twin? Consider Newton's Second Law and inertial mass.