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→Calculating Thermal Energy
(Give your answer correct to 2 [[Significant Figures|significant figures]].)
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| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities'''
m = 2 kg
Δθ = 10°C
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities'''
m = 5.5 kg
Δθ = θ<sub>2</sub> - θ<sub>1</sub> = 100 - 27 = 73°C
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities'''
m = 0.5 kg
Δθ = θ<sub>2</sub> - θ<sub>1</sub> = 80 - 20 = 60°C
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| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers into the [[equation]]and solve.'''
<math>E_t = m c \Delta \theta</math>
<math>E_t = 100J</math>
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers into the [[equation]]and solve.'''
<math>E_t = m c \Delta \theta</math>
<math>E_t \approx 1700000J</math>
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers into the [[equation]]and solve.'''
<math>E_t = m c \Delta \theta</math>