XYZ is an equilateral triangle of side length 40.0 cm. Charges are placed at each vertex as indicated; +5.0 µC at X, +5.0 µC at Y, and -5.0 µC at Z. Find the net force on the charge at Z.

Which one of the following terms is used to indicate the natural tendency of an object to remain at rest or in motion at a constant speed along a straight line? velocity acceleration equilibrium force inertia

Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above

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.