What is the mass of an object if its potential energy is 800 J and it is 2.0 m above the ground?

potential energy = mgh put values and get your answer

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

so she was walking and she stepped on warm jeffy , uh uh uhh dadye i just pooped my pants