The crazed physics student's lab partner decides to throw another pumpkin off the roof with an initial velocity of 19.4 m/s. What is the velocity when the pumpkin strikes the ground if it takes 3.2 seconds for it to fall?

80cm/s.

24cm/s.

53.3cm/s.

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.