Agas of molecules, each of mass m, is in thermal equilibrium at the absolute temperature t. denote the velocity of a molecule by v, its three cartesian components by vx , vy , vz and its speed by v. what are the following mean values?

(i) bar vx

(ii) bar vx2 note bar means drawing straight line over (mean value)

(iii) bar v2 vx

(iv) bar vx3vy

(v) bar (vx + bvy)2

How do the measurements of charge at the different locations on the sphere compare to each other? the charge measurements are different at all locations on the sphere. the charge measurements are virtually not the same at all locations on the sphere except for the charge at the very top and at the very bottom that are equal. the charge measurements are virtually the same at all locations on the sphere except for the charge at the very top. at the top, the conductive sphere has a small disk that is made of different material. the charge measurements are the same at all locations on the sphere. what happens to the charge on the conductive sphere when it is connected to a source of charge such as the electrostatic voltage source? nothing will happen because no charge goes around the surface of the sphere. the charge on the conductive sphere spreads out over the surface of the sphere; being greater in some specific locations on the sphere. the charge on the conductive sphere spreads out uniformly over the surface of the sphere. the charge on the conductive sphere spreads out non-uniformly over the surface of the sphere.

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

This is the substance(s) formed in a chemical reaction.