One car has twice the mass of a second car but only half as much kinetic energy. When both cars increase their speed by 8.0m/s they then have the same kinetic energy. What were the original speeds of the two cars?

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

(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.

The radius of an atom is closest in size to a