A 10.00-cm tall object is placed 38.4 cm in front of a converging lens, and an image is formed 27.4 cm in back of the lens. The focal length of the lens must be --- Lens
Formula

While listening to operatic solos, musicians process the lyrics and the tunes in separate brain areas. this most clearly illustrates the functioning of different

"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."

The pressure proportional to the area a- inversely b- directly c- increase d-decrease