¿Cuál es la energía potencial de un objeto que tiene una masa de 12kg y se encuentra en un anaquel a una altura de 7m? Calcula la energía cinética de un objeto de 20kg de masa que se mueve a una velocidad de 6m/s

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.