Kuan Yi Ng

In simple cathode ray oscilloscope, electrons are emitted from the cathode and move towards the anode (screen). There is a large potential difference, V set up between the anode and the cathode (wi...

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3. acceleration of electron beam.

Hi,  As x approaches 5 from the right, this means that the value of x will be greater than 5 (imagine number line where numbers on the right are greater than numbers of the left side) Since x > 5, ...

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3. Limits

1.  f(x)=|x|/x from |x| we know that, f(x) will switch between (+) and (-) at x = 0 for example, when x = 1 , f(1) = |1| / 1 = 1 when x = -1 f(-1) = |-1| / (-1) = -1 2. f(x)=x+6/|x+6| this will be ...

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3. functions with absolute value

Hi, In your question, are you talking about the reaction where 2 volumes of Hydrogen reacts with 1 volume of Oxygen and forming 1 volume of Water? --------------------------------------------------...

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3. conservation of volume

If you are not confident in the understanding of one-dimensional motion, you can strengthen them up in this chapter. https://www.khanacademy.org/science/physics/one-dimensional-motion  Below is the...

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3. Physics ( Predict when two cars are gonna meet )

You can refer to this video on Khan Academy, and then give it a try yourself. https://www.khanacademy.org/math/algebra2/manipulating-functions/funciton-composition/v/new-function-from-composition  ...

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3. Composite Functions involving Rational Functions?

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3. Algebraic expression doubt in subtraction

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3. linear equations