Question 6 of 16 How fast is a ball going when it hits the ground after being dropped from a
height of 9 m? The acceleration of gravity is 9.8 m/s2
O A. 14.9 m/s
OB. 11.5 m/s
C. 13.3 m/s
O D. 17.6 m/s

this would be about 43%

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.