Aperson on a cruise ship is doing laps on the promenade deck. on one portion of the track the person is moving north with a speed of 4.1 m/s relative to the ship. the ship moves east with a speed of 12 m/s relative to the water. part a what is the direction of motion of the person relative to the water?

When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.