The rate of conductive heat loss through a single-paned window that measures 50 cm by 80 cm is 123 W. A second window, right next to the first, measures 40 cm by 50 cm, and its glass pane has the same thickness as the first window. How long does it take 1,906 J to leak across this second widow

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

Which branches of natural science include the study of an organism that lived 10 million years ago