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

Author Question: A very light cart holding a 100-N box is moved at constant velocity across a 10-m level surface. ... (Read 90 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
on: Jul 28, 2018
A very light cart holding a 100-N box is moved at constant velocity across a 10-m level surface. What is the net work done in the process?
 a. zero
  b. 1/10 J
  c. 10 J
  d. 100 J
  e. 1 000 J

Question 2

If during a given physical process the only force acting on an object is friction, which of the following must be assumed in regard to the object's kinetic energy?
 a. It decreases.
  b. It increases.
  c. It remains constant.
  d. It cannot be determined from the information given.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kdiggy

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

d


melina_rosy

  • Member
  • Posts: 531
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Nuclear division at the DNA level Nuclear division at the DNA level
Juglans nigra (Black Walnut tree) lower leaf surface Juglans nigra (Black Walnut tree) lower leaf surface
the fatty acid molecules expose the smallest possible hydrophobic surface area the fatty acid molecules expose the smallest possible hydrophobic surface area
Average Hourly Earnings of U.S. Workers in Current and Constant Dollars Average Hourly Earnings of U.S. Workers in Current and Constant Dollars
Normal and abnormal corneal light reflection test Normal and abnormal corneal light reflection test
One surface barrier to infection One surface barrier to infection
Video: Cardiac Cycle (Part 3 of 4)

For a complete list of videos, visit our video library