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 23 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?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

The skeleton of a dwarf elephant from the island of Crete. Dwarf elephants were present on some Medi The skeleton of a dwarf elephant from the island of Crete. Dwarf elephants were present on some Medi
Fire ant ball Fire ant ball
Building competency in patient centered care Building competency in patient centered care
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
Inside ankle press. Place the heel of your left hand on the ball of the recipient’s right foot, ... Inside ankle press. Place the heel of your left hand on the ball of the recipient’s right foot, ...
Video: Cellular Defects - Osteoblasts, Osteoclasts and Osteocytes

For a complete list of videos, visit our video library