Well, the density of the water is

so i believe that is what the question is asking for :)
Answer:
Explanation:
Samantha walks along a horizontal path in the direction shown the curved path is a semi circle with a radius of 2 m while the horizontal part is for me what is the magnitude of displacement
Displacement is given by the straight line distance between P and Q. Displacement will be length of straight line joining P and Q
a semi circle with a radius of 2 m
Length of this straight line=4+diameter
=4+(2*2)
=8 m
A) 0
because all of the forces cancel out, so it is not moving with balanced forces.
Answer:
Grow up man, this is completely based on your curriculum, we would need your book to answer, and this has to be done by you.