gc textbook chater 14 heat (id: 84c6c2362)

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

[填空题]
The 1.20-kg head of wto.2pssdg ud5f6 5s5g+6./cnhrn bk,o4tpve bu5krn4:9fti;uq :0xruj --w jd6c sa hammer has a speed of $6.5\,m/s$ just before it strikes a nail (Fig. 14–17) and is brought to rest. Estimate the temperature rise of a 14-g iron nail generated by 10 such hammer blows done in quick succession. Assume the nail absorbs all the energy.    $C^{\circ} $

参考答案: 40.24±2%


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