Suppose icebergs (c = 2.03 J/g·°C; Lfus = 335 J/g) at 0° floated into an ocean (c = 3.93 J/g·°C) that was at 17°C. How much ice would have to melt—and then warm up—to lower the temperature of the ocean by 5 °C. (Note: Do not forget to include the phase change of iceberg to liquid.)

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

The reason a penny thrown straight up inside a bus will come back to your hand is that you, the bus, the air inside the bus, and the penny are all moving at the same velocity. true or false