You are taking a photo of a poster on the wall of your dorm room, so you can't back away any farther than 3.1 m to take the shot. the poster is 0.80 m wide and 1.2 m tall, and you want the image to fit in the 15-mm × 22-mm frame of the film in your camera. what is the longest focal length lens that will work? answer in cm with 2 significant figures.

Choose a synonym for the underlined homonym (a word with two or more meanings). i did not expect the boat to rock so much. a. boulder c. astound b. sway d. shock

Which accounts for an increase in the temperature of a gas that is kept a constant volume

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.