Some chat on social media has suggested that if the total population of China were to…
PHYSICS · Subjective · CBSE · Physics · Laws of Motion · Laws of Motion
Problem
Some chat on social media has suggested that if the total population of China were to jump to the ground from a height of 1.0 m at the same time, the motion of the Earth would change. Examine this claim using your knowledge of the conservation of momentum. (You may take the population of China to be 1.4×109, the mass of the Earth to be 6.0×1024 kg and make any other sensible assumptions necessary.)