A cosine voltage is zero and increasing at t=-1 6ms; the next zero crossing occurs at t 4.65ms. (a)Calculate T, f, and @.(b) If v(0)=20V, find v(t).(c)By what angle does v(t) I(t)=5cos(t-110°)A? 2 For the sinusoidal waveform shown in

实际物体的辐射不同于黑体。图7-11示出了同温度下某实际 物体和黑体的E=f(,T)的代表性曲线图上曲线下的面积分别 表示各自的辐射力

Section 1 Concept of Tumor Section 8 Characteristics of benign versus malignant tumor Section 2 Morphology 0f tumors Section 9 Precancerous lesion, dysplasia and Carcinoma in situ Section 3 Differentiation and Atypia of tumors Section 10 Molecular basis of tumors Section 4 Nomenclature and classification of tumors Section 11 Carcinogenic agents of environment Section 5 Growth and spreading of tumors Section 12 Inheritance and tumors Section 6 Grading and staging of tumors Section 13 Tumor immunity Section 7 Effects of tumors to man Section 14 Common tumors

第二章第五节 微分学在几何方面的应用及多元函数的 Taylor公式 课后作业 阅读:第二章第四节43:pp.56-58;第五节52:pp.60-63 预习:第二章第五节52:pp.60-63 作业:第二章习题4:pp.59-60 6,(3),⑤5);7,(1),(2);8;10;12;13. 补充:1,求函数f(x,y)=√1-x2-y2在(00)点的二阶带 格伦日余项的 Taylor公式 2,求函数∫(x,y)=x3+y3+23-3xz在P(1)点的 三阶带拉格伦日余项的 Taylor公式

3-7完全弹性碰撞完全非弹性碰撞 一般情况碰撞∵F