Find the work done to lift a mass of 30kg through a height of 6m.

An atom of element a has 73 protons. what would the element's atomic number be?

The vietnam war was considered by many to be america’s first unopposed win independent war defeat

The civilian conservation corps (ccc), an agency established during the great depression as part of the new deal, created jobs for people who were unemployed. what kind of work did people do as part of the ccc? a. built libraries and hospitals b. maintained state and national forests c. photographed migrants and the homeless d. constructed roads and bridges