An object of mass 5 kilograms is moving across a surface ima straight line with a speed of3.5 meters/second. what amount would be required to keep the object in motion if you ignore the surface friction

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons

How are the terms group and period used on the periodic table