Đề kiểm tra 15' Vật lí 8 (cực chuẩn)
Chia sẻ bởi Thùy Linh |
Ngày 14/10/2018 |
21
Chia sẻ tài liệu: Đề kiểm tra 15' Vật lí 8 (cực chuẩn) thuộc Vật lí 8
Nội dung tài liệu:
Họ và tên: ............................................................................Lớp: 8....
Kiểm tra: Vật lí 15 phút
Điểm
Nhận xét của giáo viên
Đề bài
Tính nhiệt lượng cần cung cấp để đun sôi một ấm nước bằng nhôm nặng 0,5 kg chứa 2kg nước ở nhiệt độ 200c.Biết nhiệt dung riêng của đồng là 380j/kg.k, của nước là 4200j/kg.k
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Kiểm tra: Vật lí 15 phút
Điểm
Nhận xét của giáo viên
Đề bài
Tính nhiệt lượng cần cung cấp để đun sôi một ấm nước bằng nhôm nặng 0,5 kg chứa 2kg nước ở nhiệt độ 200c.Biết nhiệt dung riêng của đồng là 380j/kg.k, của nước là 4200j/kg.k
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