Question

what is the potential energy of a 500g flag at the top of a 5.5m tall flag

Answer 1

GIVEN m=500g=(500/1000)kg=0.5kg
h=5.5m
Also we know, g=9.8m/s^2
potential energy, PE=m*g*h
=0.5*9.8*5.5
=26.95J

Answer 2

PE=mgh