死亡后身份证会注销吗:help help I need your help!!!!!!!!!关于物理的

来源：百度文库 编辑：高校问答 时间：2024/05/15 11:49:25
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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