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Kinetic Energy Formula

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Kinetic Energy is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Check FAQs

KE = \frac{M \cdot v^{2}}{2}

KE - Kinetic Energy?M - Mass?v - Velocity?

Kinetic Energy Example

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Here is how the Kinetic Energy equation looks like with Values.

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

Here is how the Kinetic Energy equation looks like.

65954.725 = \frac{35.45 \cdot 61^{2}}{2}

65954.725J = \frac{35.45kg \cdot {61m/s}^{2}}{2}

65954.725 = \frac{35.45 \cdot 61^{2}}{2}

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Kinetic Energy Solution

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

FIRST Step Consider the formula

KE = \frac{M \cdot v^{2}}{2}

Next Step Substitute values of Variables

∴

KE = \frac{35.45kg \cdot {61m/s}^{2}}{2}

Next Step Prepare to Evaluate

∴

KE = \frac{35.45 \cdot 61^{2}}{2}

LAST Step Evaluate

∴

KE = 65954.725J

Kinetic Energy Formula Elements

Variables

Kinetic Energy

Kinetic Energy is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity.

Symbol: KE

Measurement: EnergyUnit: J

Note: Value should be greater than 0.

Formulas to find Kinetic Energy

Mass

Mass is the quantity of matter in a body regardless of its volume or of any forces acting on it.

Symbol: M

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Mass

Velocity

Velocity is a vector quantity (it has both magnitude and direction) and is the rate of change of the position of an object with respect to time.

Symbol: v

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Velocity

Other formulas in Work and Energy category

Go Work

W = F \cdot d \cdot \cos (θ FD)

Go Potential Energy

PE = M \cdot g \cdot h

How to Evaluate Kinetic Energy?

Kinetic Energy evaluator uses Kinetic Energy = (Mass*Velocity^2)/2 to evaluate the Kinetic Energy, Kinetic Energy formula is defined as the measure of the energy of motion of an object, which is the capacity to do work due to its motion and is a fundamental concept in physics that helps to describe the relationship between the mass and velocity of an object. Kinetic Energy is denoted by KE symbol.

How to evaluate Kinetic Energy using this online evaluator? To use this online evaluator for Kinetic Energy, enter Mass (M) & Velocity (v) and hit the calculate button.

FAQs on Kinetic Energy

What is the formula to find Kinetic Energy?

The formula of Kinetic Energy is expressed as Kinetic Energy = (Mass*Velocity^2)/2. Here is an example- 65954.73 = (35.45*61^2)/2.

How to calculate Kinetic Energy?

With Mass (M) & Velocity (v) we can find Kinetic Energy using the formula - Kinetic Energy = (Mass*Velocity^2)/2.

Can the Kinetic Energy be negative?

No, the Kinetic Energy, measured in Energy cannot be negative.

Which unit is used to measure Kinetic Energy?

Kinetic Energy is usually measured using the Joule[J] for Energy. Kilojoule[J], Gigajoule[J], Megajoule[J] are the few other units in which Kinetic Energy can be measured.

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