Write a short analysis explaining how a Rube Goldberg machine uses motion, kinetic energy, and potential energy. Give specific examples and I will definitely GIVE BRAINLIEST!

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear