A car is going 4.5m/s [E] and then 6.6s later the car goes 4.5m/s [S], what is the acceleration?

talk back to him about the sport and show him your expertise or leave the room

continuous conducting path for current, power supply

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.