How many joules of kinetic energy does the pendulum have when it has 50 J of potential energy?

How to solve a simultaneous equation involved with fractions?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655