If 1.3 grams of air has a volume of 1000cm ^3, what is the density of air?

A) 1300g/cm^3

B) 1001.3 g/cm^3

C) 769.23 g/cm^3

D) 0.0013 g/cm^3

Force is measured in units called

If your wave comes into contact with a different medium and is returned to the original medium it is known as:

How do you make a spectroscope

Which of the following is evidence used to support the Big Bang Theory? background radiation increasing distances between galaxies both of the above

How does the matter and (solar) energy move through the sphere?

If you are sitting in your seat how are the forces acting on you?

At what speed does a falling hailstone travel? Does the speed depend on the distance that the hailstone falls?

The linear, step wise representation of the process of science from the traditional scientific method, while simplified, does capture the core logic of science: testing ideas with evidence. 1.) True 2.) False

Most arson fires are produced through what? Accelerants Dynamite Chemical residues Steroids

A block with mass m1 = 9.4 kg is on an incline with an angle θ = 25° with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: μk = 0.22 and μs = 0.242.