Its kinetic energy is then roughly 661 MJ. We can always use speed converter to find that it's around 5.1 m/s. The ship weighs 50,000 tons and can move at the speed of 10 knots. Well, it will still hurt when it impacts a body, but it definitely won't cause anything worse than a bruise. Use the kinetic energy calculator to find out how fast the same bullet will have to be traveling at to get its energy to 1 J. That's the reason why bullets cause a lot of damage while hitting targets. Its kinetic energy equals 2,500 J, way above 1 J because of the considerable velocity. Let's consider a bullet of mass 5 g, traveling at a speed of 1 km/s. Based on that, an individual particle with the kinetic energy of 1 J is extraordinarily high-energy and will surely not be produced by humanity any time soon. However, if we work out the value in joules, then the outcome is in the order of 1 μJ. It's impressive when you realize the enormous number of molecules in one insect. It is said to be comparable to the kinetic energy of a mosquito. Some of the highest energy particles produced by physicists (e.g., protons in Large Hadron Collider, LHC) reach the kinetic energy of a few TeV. Let's take a look at some computational kinetic energy examples to get to grips with the various orders of magnitude: What do you think - is that a lot, or not really? The key information is what kind of object we are talking about.
You're sitting in class, and your teacher tells you that the kinetic energy of an object equals 1 J. Depending on the structure, it can be shown as stretching, twisting, or bending.Īt the microscopic scale, all of these kinetic energy examples are manifestations of thermal energy, which increases as the temperature rises. Vibrational kinetic energy - can be visualized as when a particle moves back and forth around some equilibrium point, approximated by harmonic motion. Check Omni's rotational kinetic energy calculator to learn the exact formula. Rotational kinetic energy - as the name suggests, it considers a body's motion around an axis. This is the kind of energy that you can estimate with this kinetic energy calculator. It's related to the motion of an object traveling in a particular direction and the distance it covers in a given time. Translational kinetic energy - the most well-known type. It states that we can convert the work done by all external forces into a change of kinetic energy:Īctually, there are several types of kinetic energies. It turns out that kinetic energy and the amount of work done in the system are strictly correlated, and the work-energy theorem can describe their relationship. If an object is moving faster than 1% of the speed of light (approximately 3,000 km/s, or 3,000,000 m/s), you should use our relativistic kinetic energy calculator. You should be aware, however, that this formula doesn't take into account relativistic effects, which become noticeable at higher speeds. It even works in reverse, just input any two known variables, and you will receive the third! If you don't know the object's speed, you can easily calculate it with our velocity calculator.
How about you give our kinetic energy calculator a try? This tool does any and every calculation for you after typing the mass and velocity of an object. This means that even a small increase in speed changes the kinetic energy by a relatively high amount.
The same energy could be used to decelerate the object but keep in mind that velocity is squared. With the kinetic energy formula, you can estimate how much energy is needed to move an object. The kinetic energy KE equation is as follows: The kinetic energy formula defines the relationship between the mass of an object and its velocity.
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