All of those would be present. Only an extremely small amount of heat would be transferred by radiation.  However, the actual heat transfer to the lake as a whole would be the result of both convection and conduction.  In most cases, we would think of the overwhelming amount of heat being moved most rapidly throughout the lake … Read more
answered question
The answer depends somewhat on whether this is being presented as an algebraic equation, where "x" is a variable to be solved for, or if the equation is a formula for calculating a final velocity Vf given the initial velocity VI, an Acceleration A and a distance x.  If that is the case, the formula is … Read more