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 65 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?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

A killer whale plays with a ball of ice, soon after a researcher had thrown a snowball at the whale. A killer whale plays with a ball of ice, soon after a researcher had thrown a snowball at the whale.
In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh In this 1900 cartoon, oil baron John D. Rockefeller holds the White House in the palm of his hand wh
Slide along the bottom of the foot with the fist. Apply from the ball of the foot to the heel. Use ... Slide along the bottom of the foot with the fist. Apply from the ball of the foot to the heel. Use ...
Apply circular friction to the area of the head around the base of the ears. Apply circular friction to the area of the head around the base of the ears.
Physics - Illustrate how you understand charging by rubbing or friction Physics - Illustrate how you understand charging by rubbing or friction
A farmer is building a new cylindrical silo that will hold 1800 cm3 of corn. Wha A farmer is building a new cylindrical silo that will hold 1800 cm3 of corn. Wha
Video: The 4 steps of translation Animation

For a complete list of videos, visit our video library