Neco 2024 Physics Question 8
Practice essay / theory question 8 from the 2024 Neco Physics examination. This question covers Heat, Thermal expansion, Elastic potential energy, Energy conversion .
A uniform metal rod of length L₀ = 1.00 m at 20 °C is fixed at one end. Its coefficient of linear expansion is α = 12 × 10⁻⁶ °C⁻¹. The free end of the rod pushes against a spring of spring constant k = 150 N·m⁻¹. The rod is heated uniformly to 120 °C. The rod has a mass of 0.50 kg. After heating, the spring is released and the rod is allowed to cool back to 20 °C. Assume that all the elastic potential energy stored in the spring is converted into kinetic energy of the rod when it returns to its original length.
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This is Neco 2024 Physics Question 8. It is one of the essay questions from the 2024 Neco Physics examination.
The question covers Heat, Thermal expansion, Elastic potential energy, Energy conversion .
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