Answer:
The maximum height the child can jump on the stick
h=0.459m
Explanation:
Energy conservation
Energy kinetic = Work
The energy the child do get the height jump is proportional at the distance and the consta can be compressed so:

Two properties that show that the drink is a fluid/liquid include its retention of volume and its conformation to the shape of its container.
A is incorrect. B is totally incorrect. And so is D. I think
I think Y is the answer to number 4