If 2.13 x 10^6 j of work must be done on a roller coaster car to move it 300 m, how large is the net force acting on the car ? SHOW YOUR WORK

a coal burning power plant

radiation

explanation:

heat is transmitted by radiation

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.