Which of the following is an example of positive potential energy with reference to the floor? PLS HELP

What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?

The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.

What is an aquifer for science class