Which of the following situations would cause the greatest decrease in the motion of molecules in a system?

Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. the electric field at a point p, which is 0.50 m from the center of the sphere, is 15,000 n/c and is directed radially outward. what is the maximum magnitude of the electric field due to this sphere

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?