高校问答
死亡后身份证会注销吗:help help I need your help!!!!!!!!!关于物理的
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高校问答
时间:2024/06/10 02:37:26
用100g的铅和100g的铜做成一个合金球,求这个合金球的比热容是多少?已知铅的比热容是0.13乘以10的3次方铜的比热容是0.39乘以10的3次方
(0.13+0.39)/2
即0.28乘以10的3次方
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