What is an air mass and what determines its properties

2) A particle of mass 19 g moves in a circle of radius 0.44 m. The kinetic energy of the particle is 3.7 J. What is the magnitude of the net force on the particle?

Calculate the amount work done if you use a 100n force to push a 5g box 5m across the kitchen floor

For a neutral object, how many electrons must transfer to make a net charge of - 2?

Which statement below could be used as evidence to support the claim that using nuclear energy to produce electricity is better than using fossil fuels?

Yasmin is testing an unknown solution to determine whether it is an acid or a base. She dips red litmus paper in the solution. It remains red. What can she conclude about the sample?

What units must be used to express the temperature in the equation for the ideal gas law? explain?

Which region of the Sun is typically about 6,000 C?

How well does the infographic ""Plastics in the Ocean"" present a solution to the problem it describes?

Which of the following would be a good question that could be scientifically investigated? what is the best advice a parent can give a child what is the most appropriate number of dogs per household do cherry popsicles freeze slower than orange

Formulas (equations) : A = 3x and B = 5x + 1 As x increases, does A or B go up faster? if x=0, then A=? if x=1 then B=?