Total Kinetic Energy Formula

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Total Energy is the sum of the kinetic energy and the potential energy of the system under consideration. Check FAQs
Etotal=ET+Erot+Evf
Etotal - Total Energy?ET - Translational Energy?Erot - Rotational Energy?Evf - Vibrational Energy?

Total Kinetic Energy Example

With values
With units
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Here is how the Total Kinetic Energy equation looks like with Values.

Here is how the Total Kinetic Energy equation looks like with Units.

Here is how the Total Kinetic Energy equation looks like.

850Edit=600Edit+150Edit+100Edit
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Total Kinetic Energy Solution

Follow our step by step solution on how to calculate Total Kinetic Energy?

FIRST Step Consider the formula
Etotal=ET+Erot+Evf
Next Step Substitute values of Variables
Etotal=600J+150J+100J
Next Step Prepare to Evaluate
Etotal=600+150+100
LAST Step Evaluate
Etotal=850J

Total Kinetic Energy Formula Elements

Variables
Total Energy
Total Energy is the sum of the kinetic energy and the potential energy of the system under consideration.
Symbol: Etotal
Measurement: EnergyUnit: J
Note: Value should be greater than 0.
Translational Energy
The Translational Energy relates to the displacement of molecules in a space as a function of the normal thermal motions of matter.
Symbol: ET
Measurement: EnergyUnit: J
Note: Value can be positive or negative.
Rotational Energy
Rotational Energy is energy of the rotational levels in the Rotational Spectroscopy of Diatomic Molecules.
Symbol: Erot
Measurement: EnergyUnit: J
Note: Value can be positive or negative.
Vibrational Energy
Vibrational Energy is the total energy of the respective rotation-vibration levels of a diatomic molecule.
Symbol: Evf
Measurement: EnergyUnit: J
Note: Value can be positive or negative.

Other formulas in Equipartition Principle and Heat Capacity category

​Go Average Thermal Energy of Non-linear polyatomic Gas Molecule given Atomicity
Qatomicity=((6N)-6)(0.5[BoltZ]T)
​Go Average Thermal Energy of Linear Polyatomic Gas Molecule given Atomicity
Qatomicity=((6N)-5)(0.5[BoltZ]T)
​Go Internal Molar Energy of Linear Molecule given Atomicity
Umolar=((6N)-5)(0.5[R]T)
​Go Internal Molar Energy of Non-Linear Molecule given Atomicity
Umolar=((6N)-6)(0.5[R]T)

How to Evaluate Total Kinetic Energy?

Total Kinetic Energy evaluator uses Total Energy = Translational Energy+Rotational Energy+Vibrational Energy to evaluate the Total Energy, The Total Kinetic Energy formula is defined as the sum of translational, rotational and vibrational kinetic energy. Total Energy is denoted by Etotal symbol.

How to evaluate Total Kinetic Energy using this online evaluator? To use this online evaluator for Total Kinetic Energy, enter Translational Energy (ET), Rotational Energy (Erot) & Vibrational Energy (Evf) and hit the calculate button.

FAQs on Total Kinetic Energy

What is the formula to find Total Kinetic Energy?
The formula of Total Kinetic Energy is expressed as Total Energy = Translational Energy+Rotational Energy+Vibrational Energy. Here is an example- 850 = 600+150+100.
How to calculate Total Kinetic Energy?
With Translational Energy (ET), Rotational Energy (Erot) & Vibrational Energy (Evf) we can find Total Kinetic Energy using the formula - Total Energy = Translational Energy+Rotational Energy+Vibrational Energy.
Can the Total Kinetic Energy be negative?
No, the Total Kinetic Energy, measured in Energy cannot be negative.
Which unit is used to measure Total Kinetic Energy?
Total Kinetic Energy is usually measured using the Joule[J] for Energy. Kilojoule[J], Gigajoule[J], Megajoule[J] are the few other units in which Total Kinetic Energy can be measured.
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