a ball is swing at a constant speed in a horizontal circle on the top of a level lab table. which of the following is the direction of the velocity of the ball?

In the derivation of rrkm theory, a factor of 1/2 is introduced when equalizing the rates of formation and decomposition of activated complex as keal-hr) = ko this is clearly against the assumption of transition state theory that states all the activated complex in the transition state iss going to the product. find the reason why this factor is introduced here.

Could someone me find the answer to this problem.

In a good thermo flask the main cause of heat loss is