Conservation of Energy Problem

In summary, the conservation of energy problem is a fundamental principle in physics that states the total energy in a closed system remains constant over time. This law is important because it allows us to understand and predict the behavior of physical systems and is applied in many real-life situations, such as in the functioning of machines and the production of electricity. The conservation of energy is a fundamental law of nature and cannot be violated, and it is closely related to other laws of physics, such as the law of conservation of mass and the law of conservation of momentum.
  • #1
Bones
108
0

Homework Statement


0.40 kg ball is thrown with a speed of 9 m/s at an upward angle of 29°.
(a) What is its speed at its highest point? (Use conservation of energy.)


Homework Equations


Work of non conservative forces = change in KE + change in PE


The Attempt at a Solution


I am not sure how to go about this.
 
Physics news on Phys.org
  • #2
Is this equation correct? 0=-1/2(0.40kg)(v^2)+(-(0.40kg)(9.8m/s^2)h
 
  • #3
I figured it out ;)
 

1. What is the conservation of energy problem?

The conservation of energy problem is a fundamental principle in physics that states that the total energy in a closed system remains constant over time. This means that energy cannot be created or destroyed, but can only be transferred or converted from one form to another.

2. Why is the conservation of energy important?

The conservation of energy is important because it allows us to understand and predict the behavior of physical systems. It is a fundamental law of nature that has been proven to hold true in every situation and is essential for many scientific and technological advancements.

3. How is the conservation of energy applied in real life?

The conservation of energy is applied in many real-life situations, such as in the functioning of machines, the production of electricity, and the motion of objects. For example, a car engine converts the chemical energy of gasoline into kinetic energy to move the car, while a wind turbine converts the kinetic energy of wind into electrical energy.

4. Can the conservation of energy be violated?

No, the conservation of energy is a fundamental law of nature and has been proven to hold true in every situation. While it may seem like energy is being created or destroyed in certain situations, it is actually being transferred or converted from one form to another, following the principle of conservation of energy.

5. How is the conservation of energy related to other laws of physics?

The conservation of energy is closely related to other laws of physics, such as the law of conservation of mass and the law of conservation of momentum. These laws all describe the fundamental principles that govern the behavior of physical systems and are interconnected in many ways.

Similar threads

  • Introductory Physics Homework Help
Replies
20
Views
1K
Replies
8
Views
206
  • Introductory Physics Homework Help
Replies
24
Views
837
  • Introductory Physics Homework Help
Replies
5
Views
714
  • Introductory Physics Homework Help
Replies
15
Views
276
  • Introductory Physics Homework Help
Replies
4
Views
720
  • Introductory Physics Homework Help
2
Replies
44
Views
2K
  • Introductory Physics Homework Help
Replies
7
Views
1K
Replies
10
Views
247
  • Introductory Physics Homework Help
Replies
10
Views
976
Back
Top