What is the location for the valence electron(s) for an atom of Barium, Ba? O 2 electrons in energy level 3
O 2 electrons in energy level 6
O 6 electrons in energy level 2
O 1 valence electron in energy level 6

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

What is a possible result of higher air temperature caused by global warming