True or false: Even though copper, gold, silver, and platinum can exist as native metals meaning that they can be found in their free elemental form, most metals have to be mined from a mineral ore that then needs to be processed to isolate the metal.

How is zig zagging a form of acceleration?

Una carga puntual de 3 x 10-6 c se coloca a 12 cm de una segunda carga puntual de - 1,5 x 10-6 c. calcular la magnitud fuerza eléctrica entre las cargas

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.