What is the best way to dress for an outdoor trip in cold weather? A. Wear several thin layers and a waterproof top layer.

B. Wear two layers of heavy clothing and a waterproof jacket.

C. Wear dark colors for insulation.

D. Wear only cotton clothing.

B) as the temperature increases, the kinetic energy of the particles increases.|-/

The answer is 4f======since electrostatic force is given by    we let f be the electrostatic force when  r = 1 m    if we let  denote the electrostatic force when the distance is decreased so that r = 0.5m, then    we established earlier that f = kq₁q₂. therefore    the force will now be 4f.