This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A ball falls from the top of a building, through the air (air friction is present), to the ground ... (Read 22 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
on: Jul 29, 2018
A ball falls from the top of a building, through the air (air friction is present), to the ground below. How does the kinetic energy (K) just before striking the ground compare to the potential energy (U) at the top of the building?
 
  A) K is equal to U.
  B) K is greater than U.
  C) K is less than U.
  D) It is impossible to tell.

Question 2

King Kong falls from the top of the Empire State Building, through the air (air friction is present), to the ground below.
 
  How does his kinetic energy (K) just before striking the ground compare to his potential energy (U) at the top of the building? A) K is equal to U.
  B) K is less than U.
  C) K is greater than U.
  D) It is impossible to tell.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

B


melly21297

  • Hero Member
  • *****
  • Posts: 565
Reply #2 on: Jul 29, 2018
TY


Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Wahkeena Falls at Columbia River Gorge in Oregon in the autumn. Wahkeena Falls at Columbia River Gorge in Oregon in the autumn.
Eye ball perfectly labelled (map) Eye ball perfectly labelled (map)
Use friction to mobilize the entire scalp. Place the fingers on the scalp, and move the skin over ... Use friction to mobilize the entire scalp. Place the fingers on the scalp, and move the skin over ...
Ball Illusion Ball Illusion
Frequency diagrams of skin colors. (a) Skin color distribution in the parents falls into two discont Frequency diagrams of skin colors. (a) Skin color distribution in the parents falls into two discont
Opener Chiasmata present between synapsed homologs during the first meiotic prophase Opener Chiasmata present between synapsed homologs during the first meiotic prophase
Video: Digestion Animation

For a complete list of videos, visit our video library