274 prompts matching "A calorimetry problem including a change of state"
Worked example: Finding acceleration from the gradient of a velocity-time graph
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Worked example: Calculating the resultant of two forces
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Worked example: Calculating the power of a machine lifting a load
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Real-life Nigeria: The power ratings of Nigerian household appliances
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Spot my mistake: The errors most often made in first-term SS1 Physics
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Worked example: Calculating the expansion of a metal rod
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Worked example: Calculating the period of a simple pendulum
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Worked example: Comparing the three kinds of field
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Spot my mistake: The errors most often made in second-term SS1 Physics
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Worked example: Calculating the extension of a spring under load
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Worked example: Calculating the momentum of a moving body
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Worked example: Calculating the relative density of a liquid
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Spot my mistake: Measuring angles from the surface instead of from the normal
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Worked example: Finding the resultant of two perpendicular vectors
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Worked example: Finding the resultant of forces acting in a line
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Spot my mistake: Using an equation of motion with the wrong sign for deceleration
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Worked example: Calculating the efficiency of an energy transfer
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Worked example: Calculating the mechanical advantage of a lever
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Worked example: Calculating the heat needed to boil a mass of water
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Worked example: Calculating the increase in length of a heated rod
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