PLEASE HELP ME WITH THIS ONE QUESTION Which pendulum would have the highest frequency?

1) 1 kg mass and 0.5-meter length

2) 0.5 kg mass and 0.75-meter length

3) 0.5 kg mass and 1-meter length

4) 1 kg mass and 0.75-meter length

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.

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

Which of the following is the largest disadvantage of about half of the electricity in the united states comes from burning