A traffic light is supported by two cables, each of which makes an angle of 45° with the horizontal. If each cable can exert a maximum force of 750 N, what is the net force on the cables?

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

conservation of mass

mass before something happens = mass afterwards