What is something useful that you can learned from the passage that you can apply in your own life?

Explanation:

Life is a continuous learning experience. Throughout our lives we keep rising and falling, picking up important lessons along the way. Some of these lessons come from experience, yet there are others that we learn watching others or reading in books for example. No matter how much we learn from the books there is a significant difference between practical and theoretical experience. Furthermore, there are many life lessons that we simply cannot learn until we face certain situations in our life. Most people would say that there are some lessons that come too late, catching us off-guard and unprepared.

the answer is a 3.8cm

explanation:

fgravity=10x10=100n case 1

fgravity=30x20=600n case 2

6 times more