GradePack

    • Home
    • Blog
Skip to content
bg
bg
bg
bg

GradePack

5.1 What do you understand by the word “Globalisation”?…

5.1 What do you understand by the word “Globalisation”? (2)

Read Details

Evaluate the line integral \(\int_{C} {\bf F} \cdot {\bf dr}…

Evaluate the line integral \(\int_{C} {\bf F} \cdot {\bf dr} \), where \({\bf F}= x \ {\bf i} + z \ {\bf j} + x \ {\bf k}\) and \(C\) is given by \({\bf r}(t)=\langle 2t, t^{2}, 3 \rangle\) with \(0 \leq t \leq 1\).

Read Details

  QUESTION 9   This apparatus is used to electrolyse…

  QUESTION 9   This apparatus is used to electrolyse a concentrated solution of sodium chloride. Right-click on the button to open the data booklet in a new tab.   The ionic half-equations for the reactions at the electrodes are negative electrode 2H2O(l) + 2e−

Read Details

10.6 The diagram shows an outline of part of the Periodic…

10.6 The diagram shows an outline of part of the Periodic Table. Right-click on the button to open the data booklet in a new tab.   Which statement about elements X, Y and Z is not correct?   A All react with oxygen. B All conduct electricity. C All are metals. D All form coloured compounds.   [1]

Read Details

6.2 Use the synoptic code to present the weather data in d…

6.2 Use the synoptic code to present the weather data in diagram 2 (4)      

Read Details

  QUESTION 8   The pie chart shows the relative amou…

  QUESTION 8   The pie chart shows the relative amounts of some gases in air. Right-click on the button to open the data booklet in a new tab.     8.1 Name of the gas that makes up most of the air. (1)   8.2 What is the approximate percentage of oxygen in air? (1)   Rain water is naturally slightly acidic because carbon dioxide dissolves in it. The word equation for the reaction that occurs is: carbon dioxide + water

Read Details

Find the absolute maximum of the function \(f(x,y,z)=x^2-2y^…

Find the absolute maximum of the function \(f(x,y,z)=x^2-2y^2+z^2\) on the ellipsoid \(\frac{x^2}{4}+\frac{y^2}{9}+\frac{z^2}{25}=1\)

Read Details

Compute the following integral \(\iint_{D} e^{-x^2-y^2}dA\),…

Compute the following integral \(\iint_{D} e^{-x^2-y^2}dA\), where \(D\) is the set \(D=\{ (x,y) |\quad 1\leq x^2+y^2 \leq 4, \quad x\geq 0,\quad y\geq 0 \}\)

Read Details

Let \(E\) be a solid with volume equal to \(2.\) Let \(S\) b…

Let \(E\) be a solid with volume equal to \(2.\) Let \(S\) be it’s boundary. Compute: \(\iint_{S} {\bf F}\cdot {\bf n} dS\) where \({\bf F}=y{\bf i}+x{\bf j}+3z{\bf k}\) and \({\bf n}\) is oriented outwards.

Read Details

Compute the directional derivative of \(f(x,y)=x^2+y^2\) at…

Compute the directional derivative of \(f(x,y)=x^2+y^2\) at the point \(p=(2,1)\) in the direction of the vector \({\bf v}= \langle 1,1 \rangle\)

Read Details

Posts pagination

Newer posts 1 … 35,753 35,754 35,755 35,756 35,757 … 57,263 Older posts

GradePack

  • Privacy Policy
  • Terms of Service
Top