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 87 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
Excellent

ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

surface of a crimson clove surface of a crimson clove
Does this child have legs of different lengths or scoliosis? Look at the level of the iliac crests a Does this child have legs of different lengths or scoliosis? Look at the level of the iliac crests a
A Toyota/Lexus hybrid electric vehicle has a ready light. If the ready light is on, the engine can ... A Toyota/Lexus hybrid electric vehicle has a ready light. If the ready light is on, the engine can ...
Holding the head with one hand, apply effleurage to upper trapezius on one side using the fist. When ... Holding the head with one hand, apply effleurage to upper trapezius on one side using the fist. When ...
A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ... A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ...
Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take
Video: Cardiac Cycle (Part 4 of 4)

For a complete list of videos, visit our video library