Questions in Grade College

Questions in Grade College

[Free] GRADE 12 PHYSICS ASSESSMENT 2 PART B: EXTENDED RESPONSE QUESTIONS ASSESSMENT BOOKLET (20 MARKS) Explain your answers in detail and in complete sentences. Where mathematical calculations are necessary, include all calculation steps in your answer(s). These will assist the tutor/marker in evaluating your complete solution. Write your answers in the space provided next to the questions. QUESTION 1 (5 marks) A liquid X at 25°C is poured to a height of 40cm in a thin capillary tube of length 70cm and diameter of 1cm. Assume that the volume of the capillary tube does not change with temperature. a) Find the initial volume of the liquid in cm³. b) The temperature of the liquid is reduced by 10°C causing the liquid to reduce in height to 37cm. Find the volume coefficient of thermal expansion (B) of this liquid. c) At the initial height of 40cm and temperature of 25°C, what change in temperature (ΔT) is needed for the liquid to rise to a height of 49cm?

[Free] apartheid Arab League Arab Spring assimilation climate continental colonialism decolonialism deforestation desertification climate formal functional greenhouse effect kleptocracy latitude levant longitude maritime climate medina neocolonialism orographic salinization Shiite Sunni swidden effect urban heat island syncretism township transhumance weather effect Refers to the policy of racial segregation that directed the separate residential and work spaces for white, blacks, coloureds, and Indians in South Africa for nearly 50 years.

[Free] Most foods are a mix of which of the following? (Select all that apply). A. proteins B. carbohydrates C. fats D. essential amino acids

[Free] To whom was the power of advice and consent on treaties and presidential nominations exclusively given? A. the Secretary of State B. the House of Representatives C. the Senate D. the entire Congress

[Free] What are the solutions to $x^2+8 x+7=0$? A. $x=-8$ and $x=-7$ B. $x=-7$ and $x=-1$ C. $x=1$ and $x=7$ D. $x=7$ and $x=8$

[Free] Select the correct answer. Which quantity is a graduated cylinder designed for measuring? A. length B. mass C. temperature D. time E. volume

[Free] Add. $\frac{-3}{8}+\frac{1}{8}=$

[Free] Two identical cones are inscribed in a cylinder. Which equation represents the volume of each cone? A. [tex]$V=\frac{\pi r^2 H}{2}$[/tex] B. [tex]$V=\frac{\pi r^2 H}{3}$[/tex] C. [tex]$V=\frac{\pi r^2 H}{4}$[/tex] D. [tex]$V=\frac{\pi r^2 H}{6}$[/tex]

[Free] Use the distributive property to simplify the expression. 8(3x+4)

[Free] Select all of the inequalities below where -11 is a solution. [tex]3 x-1 \textless \ 32[/tex] [tex]x+4 \geq-12[/tex] [tex]4 x \geq 23[/tex] [tex]-x \textless \ 12[/tex] [tex]-10 \leq x-3[/tex] [tex]x+2 \geq-8[/tex]