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

Author Question: When we say work is done by a force, we mean the force does a. all the work. b. positive work. c. ... (Read 113 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
on: Jul 29, 2018
When we say work is done by a force, we mean the force does
 a. all the work. b. positive work.
  c. negative work. d. zero work.

Question 2

Consider a situation where a constant force of 25 N acts on an object having a mass of 2 kg for 3 seconds.What is the magnitude of the change in the object's momentum?
 a. 150 kg m/s
  b. 50 kg m/s
  c. 75 kg m/s
  d. undeterminednot enough information given
  e. none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nekcihc358

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 29, 2018
Answer to Question 1

b

Answer to Question 2

c


fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
Reply #2 on: Jul 29, 2018
TY


nekcihc358

  • Sr. Member
  • ****
  • Posts: 327
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Gram-positive and Gram-negative bacteria. Gram-positive and Gram-negative bacteria.
A positive feedback loop. A positive feedback loop.
Positive and Negative Stereotypes Positive and Negative Stereotypes
What’s a Menstrual Cup and How Does It Work? What’s a Menstrual Cup and How Does It Work?
1) (a) What is Coulomb?s Law? (b) Find the net electrostatic force on the charge labeled ?P? in ... 1) (a) What is Coulomb?s Law? (b) Find the net electrostatic force on the charge labeled ?P? in ...
Question about Resultant of gravitational force? Question about Resultant of gravitational force?
Video: Mechanisms of capillary exchange (transcytosis & bulk flow)

For a complete list of videos, visit our video library