A 37 kg father fashions a swing for his children out of a long rope that he fastens to the limb of a tall tree. As one of the children swings from this rope that is 7.3 m long, his tangential speed at the bottom of the swing is 4.0 m/s. Required:
a. What is the centripetal force of the child at the bottom of the swing?
b. What provides the centripetal force that keeps the child moving in an arc?

1. gravitational acceleration
2. the height of the tree
3. the tension in the rope
4. the weight of the child

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.

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 !