3-1质量m=10kg的物体在力F=30+4N的作用下沿x轴运动,试求(1)在开始2s内此力的冲量l:(2)如冲 量F=300Ns,此力的作用时间是多少?(3)如物体的初速v1=10m/s,在6.86s时,此物体的速度n2为 多少?

《复合材料 Composites》课程教学资源（学习资料）第二章 增强体_glass fiber-5 Mid-IR luminescence of Dy3t and Pr3t doped Ga5Ge20Sb10S（Se）65 bulk glasses and fibers

Chapter2函数 δ1函数概念 Example S=VI t≥0 s=-at t≥0 12 0≤t≤ 2h S=-8 Vg Definition1.设给定实数集合X,若存在一对应法则f,x∈X,3唯一的实数 y∈R与之对应。则称f是定义在X上的函数,记为:

Solubility limit for P at 1273 K is Co 2 1 x 10 cm\. Intrinsic carrier concentration is 10 cm\. Thus, before including higher order terms, Do=13x10-4 cm2/s. But with first order and second order correction terms

[3-11单组元流体的热力学基本关系式有哪些? [3-2]本章讨论了温度、压力对H、S的影响,为什么没有讨论对U的影响?

Goal Develop the Solow Growth Model How much of the economy's output should be consumed today and how much should be saved for the future? Static analysis(Ch. 3)> Dynamic

1. Compare Stearns' Type 2 fracture pattern to the okljoints from the class notes. Draw a diagram and discuss the nature and occurrence of the fracture(s)

Let's play a game Instruction swing the rope I touch your shoulders 9. snatch the ball 2. bend your knees 10. bowl the ball 3 serve the ball 11. throw the ball

一．选择题 1．根据惠更斯—菲涅耳原理，若已知在某时刻的波阵面为 S，则 S 的前方某点 P 的 光强度决定于波阵面 S 上所有面积元发出的子波各自传到 P 点的 (A) 振动振幅之和 (B) 光强之和 (C) 振动振幅之和的平方 (D) 振动的相干叠加

#define r4.6 #define Pl3. 1415926 #define l 2*pi*r #define S pir*r