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nolerkp2832 nolerkp2832
  • 29-05-2024
  • Engineering
Answered

A steel ball 100mm in diameter and initially at 900 ⁰C is placed in air at 30⁰C. Take: h=20(W/(m²)C k(steel) = 40 W/m°C; p(steel) = 7800 kg/m³; c(steel) = 460 j/kg°C
Temperature of the ball after 30 seconds ___________.

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