28J because mechanical energy is the sum of the potential energy and kinetic energy
Explanation:
it is not a arithmetic sequence
If you just type "<span>What is the chemical formula for mercury(I) nitrate?" into google you get the answer but HG(NO3)2 is the correct one.
sorry no one helped you in time hope you passed anyway</span>
1. No they aren’t because they all belong to different sports and are used differently
