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A metal ball of mass 1 kg is heated by means of a 20 W heater in a room at 20 ∘C. The temperature of the ball becomes steady at 50 ∘C. Assuming Newton's law of cooling and that temperature of the ball rises uniformly from 20 ∘C to 30 ∘C in 5 minutes, find the specific heat capacity of the metal. |
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Answer» A metal ball of mass 1 kg is heated by means of a 20 W heater in a room at 20 ∘C. The temperature of the ball becomes steady at 50 ∘C. Assuming Newton's law of cooling and that temperature of the ball rises uniformly from 20 ∘C to 30 ∘C in 5 minutes, find the specific heat capacity of the metal. |
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