gc textbook chater 14 heat (id: 3599cec3f)

本题目来源于试卷: gc textbook chater 14 heat，类别为 IB物理学

[填空题]
A 2.3-kg lead ball is dropped i-8m9 zlavo*9k 5p,b .hqly( nrdqjf ;jnto 5 3o sm8tj vx,xol0uu6+ z)hrca 2.5-L insulated pail of water initially at 20350,txx jlzc6)orhm+8 us ouv.0$^{\circ} C$. If the final temperature of the water–lead combination is 28.0$^{\circ} C$, what was the initial temperature of the lead ball?    $^{\circ}C $

参考答案: 308±2%


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