Type UF cable, buried underground, fed from 15-ampere, ground-fault circuit interrupter, at a one-family dwelling, must have a minimum cover of inches.

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

Relative to the ground below, how many joules of potential energy does a 1000-kg boulder have at the top of a 5-m ledge?

Hi , i am new here can anyone me out with this question why is space black after having so many shining objects like sun , moon , stars