What will be the V2 if E1 is E and V1 is V and diatance is r between charges here E and electric field strength and V is electric potiential

Why does lightning travel from clouds to the ground?

Which type of energy is transferred by convection currents?

The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes with the propane (c3h8) to burn it completely. for every gram of propane that flows through the burner, what volume of air is needed to burn it completely? assume that the temperature of the burner is 195.0°c, the pressure is 1.05 atm, and the mole fraction of o2 in air is 0.210.