A boy weighing 150 n goes (a) up and (b) down a flight of stairs. The vertical distance between the floors is 5. 5 m. How much work is done by gravity (a and b)?.

Which sentence uses the word your correctly? o a. i didn't know your in my third period class. ob. where did you finally find your missing book? oc. i hope your feeling better in time for the party.

52(4p+1) ≤ 4 3+12p can someone solve it for me with explanation

A24-n net force acts on a 8-kg rock. what is the acceleration of the rock?