A4 cm diameter "bobber" with a mass of 3 grams floats on a pond. a thin, light fishing line is tied to the bottom of the bobber, and from the bottom hangs a 10 gram lead weight. the density of lead is 11.3 g/cm3. what fraction of the bobber's volume is submerged, as a percent of the total volume?

True or false a high force means an object is moving fast100 points!

(science)study the following ocean currents map. an ocean currents map is shown. on the map the locations for san diego, california and savannah, georgia are marked. there is a looping current from the north past san diego and a looping current from the south near savannah which statement is most likely correct about the average temperatures in san diego, california as compared to savannah, georgia? it is higher in savannah because of the cool ocean currents from the south. it is higher in savannah because of the warm ocean currents from the north. it is lower in san diego because of the warm ocean currents from the south. it is lower in san diego because of the cool ocean currents from the north.

Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.