Atoms in their elemental state have what? a. positive charge b. zero charge c. negative charge d. mastercharge card

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

Which branches of natural science include the study of an organism that lived 10 million years ago

Aforce or 500 n separates two objects the distance between their centers is 67 m the first object has a mass of 20kg what is the mass of the second