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|1||What is Kinetic Energy (KE)?|
|2||Kinetic Energy Formula|
|3||About Kinetic Energy Calculator|
|4||Change in Kinetic Energy (Interpretation)|
|5||How to Calculate Kinetic Energy|
|6||Kinetic Energy (KE) and Potential Energy (PE)|
|7||Work and Kinetic Energy (The Work-Energy Theorem)|
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This kinetic energy calculator allows you to calculate kinetic energy of any moving object by the help of kinetic energy formula. All you need to enter few parameters to get your instant results of (KE). Well, we help you to know how to calculate kinetic energy, study about work and kinetic energy, and much more. So, let us start with the basic (KE) or kinetic energy definition.
The energy that is possessed due to motion or movement of any object is the kinetic energy. If the object is at rest and we apply some force on it while pushing,it will start moving. This movement will bring kinetic energy. Therefore, it can be defined as the work required to move a body of a given mass from rest to its stated velocity. Now to bring the body in the state of rest from motion, some work will be needed again. In conclusion, we can say that KE is the property of moving objects and depends on motion and mass of the particular object.
Let’s take an example. If you put an engine into a truck and a car, the speed will not be the same because of different masses of car and lorry. Calculating kinetic energy may seem challenging but you can easily find it out by using the KE calculator.
The formula for kinetic energy describes the association between the mass of an object and its velocity. The kinetic energy equation is:
KE = 0.5 * m * v² or K.E. = ½ * m * v²
With the help of this formula, it can be estimated how much energy will be needed to move the object of a particular mass. The same amount of energy will be required to decelerate or stop the object, but keep in mind that velocity is squared. It means that even a minor increase in speed has the capacity to bring a relatively high amount of changes in the KE.
Let’s study the example of an object of “m” which is at a state of rest on a table. A force “F” will be applied to move it through a distance “S”.
Work done on the object results in a change in velocity from u to V. Additionally, one must let “a” be the acceleration.
According to the third equation of motion:
now apply Newton’s Second law:
Combine the equations:
As the object in a state of rest, u=0
Likewise, the kinetic energy of an object that is moving with a definite velocity is equivalent to work done on the object. This work is for the determination of obtaining that velocity from the condition of rest.
Therefore, the kinetic energy equation can be written as:
Let’s consider that:
Now, the kinetic energy equation: Ek = 1/2 mv2
Put the values:
The kinetic energy units is the same as for any other type of energy. Some most common units are described below:
They can be converted into one another easily with the following ratios:
1 J = 0.7376 ft•lb = 6.242•10¹⁸ eV = 0.239 cal = 2.778•10⁻⁴ Wh.
If you are using a kinetic energy calculator; you can select the unit of your choice according to present conditions by clicking on the units, and the value will be instantly transformed.
This kinetic energy calculator is a tool that provides assistance to calculate the linear and rotational kinetic energy of a moving object. Its working procedure is created on the base of the kinetic energy formulas. If the object is moving straight its linear kinetic energy can be calculated by entering the mass and velocity in the calculator. For the circular motion of an object, it’s rotational KE calculation needs values for moment of inertia and angular velocity. Just put any two known variables in the tool to find the unknown one. It supports metric and imperial measurement units. it delivers output in Joules (J, kJ, MJ), Watt-hours (Wh, kWh), calories (Cal, kCal), and foot-pounds (ft-lbs). The above tool is 100% free to use.
This KE calculator is designed to find the missing values in the equation for Kinetic Energy when two of the variables or values are known:
Enter any two of the values i.e. mass and velocity for calculating kinetic energy. Click on the Calculate button. Furthermore, to make the concept simple have a look at the following procedure of the calculator:
Chose the option “linear” from the drop-down menu of the calculator. It follows the following equation:
Linear KE: = 1/2 (M * (V * V))
If you have the value of KE and velocity, then mass can be calculated as follow:
M = KE / (V * V)
If you have the value of KE and mass, then velocity can be calculated by this tool as follow:
V = KE / (1/2 * M)
From drop-down menu chose “rotational”. This calculator follows the following formula of rotational KE:
If you have the values for rotational KE and angular velocity the moment of inertia can be computed as follows:
If vales of rotational KE and moment of inertia is known, then angular velocity can find out as follow:
Kinetic energy is the energy of the object that is present because of the motion. Any change in the velocity of the object will bring change in kinetic energy. Subtraction of The KE of the moving object before applying force or work from the KE after applying force or work can give the value of change in KE. it can be calculated with the ease of the formula:
kinetic energy formula (KE = 0.5 x mv2) can help us to calculate the KE value by following simple steps:
There is some basic difference between these two types of energy as follows:
Work and kinetic energy are strictly connected. It means that an increase or decrease in the amount of work will cause a change in the KE. This relationship can be explained with the help of a work-energy theorem. It states that the work done by all outer forces is transformed into a change of kinetic energy:
W = ΔKE = KE₂ – KE₁
Wnet= ΔKE = KE₂ – KE₁
Wnet = 1/2mv2₂ – 1/2mv2₁
Kinetic energy = 1/2 * mass * velocity ^2,
Consider the moving object enter the values in the equation. You will have a value of KE in joules as it is a standard unit to represent the energy.
KE depends on two variables:
If the speed of any object will triplicates the kinetic energy will be nine times more than the initial kinetic energy.
It can be assumed that speed and velocity are the same things. So, the kinetic energy of an object is related to the square of its velocity (speed). In other words, if there is a dual upsurge in speed, the kinetic energy will rise by a factor of four.
The kinetic energy of an ideal gas can be calculated just by multiplying the formula for the average linear kinetic energy by the total number of molecules present in the gas sample.
PE energy depends on following three factors:
The change in kinetic energy is said to equal to the change in potential energy. Both kinds of energies are negatively correlated with each other. It means that any decrease in KE will lead towards an increase in the PE, and vice-versa.
According to The equation KE=1/2mv^2; the kinetic energy is equivalent to half of the mass of the object and two times of the object’s velocity.
According to the definition of Kinetic energy, it is possessed by a body because of its motion. Therefore, every moving thing in the house has KE:
This kinetic energy calculator is an efficient tool that offers its assistance to calculate the KE energy of every object in motion. Its working procedure is based on the standardized kinetic energy formulas, that are applicable to every object in a vertical or horizontal motion.
From Wikipedia, the free encyclopedia – In physics, the kinetic energy (KE) – History and etymology –Overview – Newtonian kinetic energy – Rotating bodies – units for kinetic energy – Kinetic energy of systems – Kinetic energy in quantum mechanics
From the source of Wikihow – Recently updated – Co-authored by wikiHow Staff – How to Calculate Kinetic Energy
The source of toppr – kinetic energy formula – kinetic energy equation – what is kinetic energy – Solved Examples on Kinetic Energy Formula
From the source of khanacademy – Learn what kinetic energy means and how it relates to work – how to calculate kinetic energy – work and kinetic energy (KE)