In timpul functionarii unei prese hidraulice, pistonul mic coboara cu l=40cm. Cu cat urca pistonul mare, daca raportul suprafetelor celor doua pistoane este k=1/80.DAU CORANA VREAU UN RASPUNS RAPID

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

What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.

Which of the following are guidelines to follow for obtaining accurate observations