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Change in Potential Energy Formula

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Change in Potential Energy is the energy possessed by the body by virtue of its change in position. Check FAQs

ΔPE = m \cdot [g] \cdot (z 2 - z 1)

ΔPE - Change in Potential Energy?m - Mass?z₂ - Height of Object at Point 2?z₁ - Height of Object at Point 1?[g] - Gravitational acceleration on Earth?

Change in Potential Energy Example

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Here is how the Change in Potential Energy equation looks like with Values.

Here is how the Change in Potential Energy equation looks like with Units.

Here is how the Change in Potential Energy equation looks like.

32678.6998 = 35.45 \cdot 9.8066 \cdot (111 - 17)

32678.6998J = 35.45kg \cdot 9.8066m/s² \cdot (111m - 17m)

32678.6998 = 35.45 \cdot 9.8066 \cdot (111 - 17)

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Change in Potential Energy Solution

Follow our step by step solution on how to calculate Change in Potential Energy?

FIRST Step Consider the formula

ΔPE = m \cdot [g] \cdot (z 2 - z 1)

Next Step Substitute values of Variables

∴

ΔPE = 35.45kg \cdot [g] \cdot (111m - 17m)

Next Step Substitute values of Constants

∴

ΔPE = 35.45kg \cdot 9.8066m/s² \cdot (111m - 17m)

Next Step Prepare to Evaluate

∴

ΔPE = 35.45 \cdot 9.8066 \cdot (111 - 17)

Next Step Evaluate

∴

ΔPE = 32678.699795J

LAST Step Rounding Answer

∴

ΔPE = 32678.6998J

Change in Potential Energy Formula Elements

Variables

Constants

Change in Potential Energy

Change in Potential Energy is the energy possessed by the body by virtue of its change in position.

Symbol: ΔPE

Measurement: EnergyUnit: J

Note: Value can be positive or negative.

Formulas to find Change in Potential 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

Height of Object at Point 2

Height of Object at Point 2 refers to the distance the object 2 is from a reference point.

Symbol: z₂

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Height of Object at Point 2

Height of Object at Point 1

Height of Object at Point 1 refers to the distance of the object at point 1 from a reference point.

Symbol: z₁

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Height of Object at Point 1

Gravitational acceleration on Earth

Gravitational acceleration on Earth means that the velocity of an object in free fall will increase by 9.8 m/s2 every second.

Symbol: [g]

Value: 9.80665 m/s²

Other formulas in Thermal Parameters category

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h = h f + χ \cdot h fg

Go Sensible Heat Factor

SHF = \frac{SH}{SH + LH}

Go Specific Heat

c = Q \cdot m \cdot ΔT

Go Specific Heat at Constant Volume

C vm = \frac{ΔQ}{N m \cdot ΔT}

How to Evaluate Change in Potential Energy?

Change in Potential Energy evaluator uses Change in Potential Energy = Mass*[g]*(Height of Object at Point 2-Height of Object at Point 1) to evaluate the Change in Potential Energy, Change in potential energy is the energy possessed by the body by virtue of its change in position. This energy can be conserved and stored. Change in Potential Energy is denoted by ΔPE symbol.

How to evaluate Change in Potential Energy using this online evaluator? To use this online evaluator for Change in Potential Energy, enter Mass (m), Height of Object at Point 2 (z₂) & Height of Object at Point 1 (z₁) and hit the calculate button.

FAQs on Change in Potential Energy

What is the formula to find Change in Potential Energy?

The formula of Change in Potential Energy is expressed as Change in Potential Energy = Mass*[g]*(Height of Object at Point 2-Height of Object at Point 1). Here is an example- 32678.7 = 35.45*[g]*(111-17).

How to calculate Change in Potential Energy?

With Mass (m), Height of Object at Point 2 (z₂) & Height of Object at Point 1 (z₁) we can find Change in Potential Energy using the formula - Change in Potential Energy = Mass*[g]*(Height of Object at Point 2-Height of Object at Point 1). This formula also uses Gravitational acceleration on Earth constant(s).

Can the Change in Potential Energy be negative?

Yes, the Change in Potential Energy, measured in Energy can be negative.

Which unit is used to measure Change in Potential Energy?

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

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Change in Potential Energy Formula

Change in Potential Energy Example

Change in Potential Energy Solution

Change in Potential Energy Formula Elements

Other formulas in Thermal Parameters category

How to Evaluate Change in Potential Energy?

FAQs on Change in Potential Energy

Variable Name