In Times Square in New York City, people celebrate on New Year's Eve. Some just stand around, but many move about randomly. Consider a system consisting of all these people. Approximately, what is the total linear momentum of this system at any given instant? Justify your answer.

Zero

Explanation:

The linear momentum these people at any instant is approximately zero. Because momentum is a vector quantity  the random directions of their movement make their momentum in different directions and come back to their position which in ideal case makes it equal to zero.

here are some information of the future of geothermal energy:

-the future of geothermal energy can pretty much be summed up with a single word: more

-scientists plan in going deeper than 120 meters

-we are hoping that one day, we will get all of our energy from renewable energy sources such as geothermal energy

hope this !