Hai hạt bụi trong không khí cách nhau 3cm mỗi hạt mang điện tích -9,6.10 mũ -13C. A )Tính lực đẩy tĩnh điện giữa hai hạt B ) tính số electrong dư trong mỗi hạt bụi biết diện tích củ mỗi electrong -1,6.10 mũ -19C

Ms.hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.

Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation

Which lists correctly orders nuclear reactions from most radioactive waste generated to least waste generated within a given period of time? o a. radioactive decay, nuclear fission, nuclear fusion o b. radioactive decay, nuclear fusion, nuclear fission o c. nuclear fusion, nuclear fission, radioactive decay o d. nuclear fission, nuclear fusion, radioactive decay