1. A boy pulls a wagon with his dog in it. The mass of the dog and wagon together is 63kg. The wagon accelerates at 0.96 m/s^2. What force is the
boy pulling with? **
O 6.48 N
60.48 N
O 6N
0 m/s2

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.