interstellar space is filled with radiation of wavelength 0.96 mm. this radiation is considered to be a remnant of the big bang. what is the corresponding blackbody temmperature of this radiation

What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

The two required components for a generator are

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?