A 5.00 kg crate is on a 21.0° hill. Using X-Y axes tilted down the
plane, what is the y-component
of the weight?

If element x has 99 protons how many electrons does it have

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil

Which describes increasing the efficiency of energy resource