Water flows through one pipe section at 4 m/s and then through a second pipe section at 8 m/s. Which section has the greater pressure

they should be similar or the same

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.

b. false

explanation:

suppose a rock in free fall is dropped off a cliff. after falling for 5 seconds, its speed would not be 100 m/s.