All Categories Alerts Wishlist Cart

If a 3 kg object is moving with a speed of 4 m/s and comes to a stop, what is the work done by the friction?

Practice Questions

1 question
Q1
If a 3 kg object is moving with a speed of 4 m/s and comes to a stop, what is the work done by the friction?
  1. -24 J
  2. -48 J
  3. -12 J
  4. -36 J

Questions & Step-by-step Solutions

1 item
Q
Q: If a 3 kg object is moving with a speed of 4 m/s and comes to a stop, what is the work done by the friction?
Solution: Initial kinetic energy = 0.5 × 3 kg × (4 m/s)² = 24 J. Work done by friction = -24 J.
Steps: 0

Related Questions

A
A 2 kg object is dropped from a height of 20 m. What is its speed just before it
Question: A 2 kg object is dropped from a height of 20 m. What is its speed just before it hits the ..
A
A 3 kg object is moving with a velocity of 4 m/s. What is its momentum?
Question: A 3 kg object is moving with a velocity of 4 m/s. What is its momentum?Options: 6 kg·m/s12..
A
A 10 kg object is moving with a speed of 3 m/s. If it comes to a stop, how much
Question: A 10 kg object is moving with a speed of 3 m/s. If it comes to a stop, how much work is do..
I
If A = {1, 2, 3} and B = {2, 3, 4}, what is |A ∩ B|?
Question: If A = {1, 2, 3} and B = {2, 3, 4}, what is |A ∩ B|?Options: 1230Correct Answer: 2Solution..
A
A 50 kg object is moving with a velocity of 10 m/s. What is its momentum?
Question: A 50 kg object is moving with a velocity of 10 m/s. What is its momentum?Options: 500 kg m..
Biology (School & UG)
Biology (School & UG)
Chemistry (School & UG)
Chemistry (School & UG)
Civil Engineering
Civil Engineering
Commerce & Accountancy
Commerce & Accountancy
Computer Science & IT
Computer Science & IT
Current Affairs & GK
Current Affairs & GK
Data Structures & Algorithms
Data Structures & Algorithms
Electrical & Electronics Engineering
Electrical & Electronics Engineering
English (School)
English (School)
General Aptitude
General Aptitude
General Knowledge
General Knowledge
General Knowledge & Current Affairs
General Knowledge & Current Affairs
Languages & Literature
Languages & Literature
Law & Legal Studies
Law & Legal Studies
Major Competitive Exams
Major Competitive Exams
Mathematics (School)
Mathematics (School)
Mechanical Engineering
Mechanical Engineering
Medical Science
Medical Science
Physics (School & Undergraduate)
Physics (School & Undergraduate)
Quantitative Aptitude & Reasoning
Quantitative Aptitude & Reasoning
Social Science (School)
Social Science (School)
Technical
Technical
Verbal and Reasoning
Verbal and Reasoning
Vocational & Skill Development
Vocational & Skill Development