dois espelhos plantas tem uma de suas arestas coincidentes, formando um ângulo desconhecido, de tal modo que ficam perpendiculares ao plano horizontal. ao colocarmos 2 objetos entre os dois espelhos observarmos um total de 8 imagens formadas. qual é, em graus, a medida do ângulo formado entre os dois espelhos?

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work

(science)study the following ocean currents map. an ocean currents map is shown. on the map the locations for san diego, california and savannah, georgia are marked. there is a looping current from the north past san diego and a looping current from the south near savannah which statement is most likely correct about the average temperatures in san diego, california as compared to savannah, georgia? it is higher in savannah because of the cool ocean currents from the south. it is higher in savannah because of the warm ocean currents from the north. it is lower in san diego because of the warm ocean currents from the south. it is lower in san diego because of the cool ocean currents from the north.

How would a small bar magnet be oriented when placed at position x?