The prefix your looking for is centi as in centimeter. I got this answer on google.
So please mark me as Brainiest.
F - False.
The nucleus of an atom is positively charge.
To solve this problem we will begin by finding the necessary and effective distances that act as components of the centripetal and gravity Forces. Later using the same relationships we will find the speed of the body. The second part of the problem will use the equations previously found to find the tension.
PART A) We will begin by finding the two net distances.

And the distance 'd' is



Through the free-body diagram the tension components are given by


Here we can watch that,

Dividing both expression we have that,

Replacing the values,


PART B) Using the vertical component we can find the tension,




21m per second. Take 210 divided by 10. Hope this helps!