Si una persona se encuentra a 3m sobre el suelo y luego sube 10 m más, hacia arriba ¿Cuánta energía gano? el tema es de Energía mecánica y potencia mecánica

Which of the following correctly describes the early view of catastrophism?

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.

Contrast the force of gravity between these pairs of objects: 1-kg mass and a 2-kg mass that are 1 m apart; a 1-kg mass and a 2-kg mass that are 2 m apart; and two 2=kg masses that are 1 m apart. i dont understand.