Two 15 N forces in opposite directions are acting on an object. What is the magnitude of the net force?

Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as

Air can be considered a mixture. which statement does not explain why?

Essay-alternative energy sources research sources of energy that are being developed. write a report of 350-400 words discussing the information you learned concerning the development of various energy sources and the impact that you think they will have on your life. include sources cited at the end of your report using the mla format. follow the rubric guidelines. note that wikipedia is not an appropriate resource for a research paper. worth 99