Image with a flat horizontal line with a curve on top (beg curve: X, top middle curve: Y, End bottom curve: Z)
Describe how the vertical component of the velocity of the water varies form point X to point Z?
Mark scheme Answer:
decreases from x to y
DON’T GET I thought it INCREASES
zero at y,x,z
I UNDERSTAND
increases from y to z
DON’T GET I THOUGHT IT DECREASES
positive from x to y and negative from y to z(or vice versa)
DON’T GET HOW IT COULD BE VICE VERSA
Please help and clearly explain the things I don’t understand and why.