The potential energy function for a system of particles is given by u(x) 5 2x3 1 2x2 1 3x, where x is the position of one particle in the system. (a) determine the force fx on the particle as a function of x. (b) for what values of x is the force equal to zero

Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.

Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right

Explain what will happen if decomposers were apsent from a forest ecoysystem.