It takes 90 j of work to stretch a spring 0.2 m from its equilibrium position. How muc work is needed to stretch it an additional 0.4 m?

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.

If a car has a speed of 20 m/s, how long will it take to go 155 m? a. 3100 s b. 135 s c. 2.1 s d. 7.8 s

What is the period of a wave traveling 5 m/s if its wavelength is 20 m/s