The mechanical advantage of a machine is always greater than 1. true or false

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

What is the momentum of a 2 kg object moving at 15 meters per second

In a good thermo flask the main cause of heat loss is