Maths Group11

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👉 Physics important formulas. 👉 Bernoulli's equation: P/p +gh+V^2/2=constant Where p= density 👉 Equation of continuity: A1V1=A2V2 👉 Tensile stress= F/A 👉 Tensile strain= ∆X/L 👉Young's nodulus=Tensile stress/Tensile strain or E=FL/AX 👉Area of circle A= πr2 or πd^2/4 👉 Pressure= F/A or pgh Where p= density 👉 Pascal's principle. P1=P2 or F1/A1=F2/A2 👉Flow rate= Volume/time or Area *Velocity 👉 Specific heat capacity(c)=heat capacity/mass or c=E/m∆T

ENGLISH SOME QUESTIONS FOR ALL STUDENTS. CHOOSE THE CORRECT ANSWER! 1. The teacher tried __ the idea but we couldn't understand. A. explain     B. to explain C. explains   D. explained 2. I am saving up_ to buy a radio. A. because     B. although C. in order        D. so that 3. This room ____ only on special occasions. A. has used      B. is used C. uses             D. use 4. He took a day off ___ study for his examination. A. because       B. for C. to                  D. while 5. The man ____ is standing next to your brother is a politician. A. which   B. who   C. whose  D. what 6. Most American families allocate one quarter of their income for housing. Allocate means: A. earn           C. invest B. budget       D. generate Good luck for you!