What is the potential energy of a puppy that weighs 18 N istting in a high chair 2 m high?

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?

Given the data calculated in parts a, b, c, and d, determine the initial rate for a reaction that starts with 0.85 m of reagent a and 0.70 m of reagents b and c?