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

Author Question: A 4-kg object falls vertically a distance of 5 m. Its potential energy has changed by approximately ... (Read 52 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
on: Jul 28, 2018
A 4-kg object falls vertically a distance of 5 m. Its potential energy has changed by approximately how much?
 a. It has increased by 20 J.
  b. It has decreased by 200 J.
  c. It has decreased by 20 J.
  d. It has increased by 200 J.

Question 2

The suffix -ose in a compound's name signifies a(n)
 a. amide.
  b. alcohol.
  c. carbohydrate.
  d. enzyme.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ashley I

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

c


ENagel

  • Member
  • Posts: 540
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

amit

  • Member
  • Posts: 364
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Activation energy graph Activation energy graph
Free Energy Enzymes Free Energy Enzymes
Resonance transfer of energy in a light-harvesting complex Resonance transfer of energy in a light-harvesting complex
Transmission of the action potential Transmission of the action potential
Geothermal energy and powers Earth’s systems Geothermal energy and powers Earth’s systems
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Energy sources - types

For a complete list of videos, visit our video library