Recent content by adhiluhur

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    Undergrad This was from google's interview question.

    So, Google recently interviewed one of my friend as an employee candidate. How many ways can a two by n rectangular space be filled with one by one, two by one and two by two tiles? Give your answer as an explicit formula in terms of n.
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    How Do You Calculate the Magnitude of a Vector in the Form Constant * (i + j)?

    Enlighten me.
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    How Do You Calculate the Magnitude of a Vector in the Form Constant * (i + j)?

    I think my answer is correct and the computer is wrong.
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    How Do You Calculate the Magnitude of a Vector in the Form Constant * (i + j)?

    I was writing the distance squared. So basically our answer for that is same.
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    How Do You Calculate the Magnitude of a Vector in the Form Constant * (i + j)?

    By simple Pythagorean theorem you can work it out to l^2 sqrt{2}
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    How Do You Calculate the Magnitude of a Vector in the Form Constant * (i + j)?

    Homework Statement Homework Equations The Attempt at a Solution But as you can see, when I typed the answer on the answer column, the computer marked it as wrong. Please point out my mistake in 24 hours. Thank you.
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    What Steps Are Needed for Determining Molar Mass by Titration?

    In lab I have. 200 mL of a standardised solution of NaOH (of appoximately 0.1 molar concetration) labeled sample tube containing unknown acid or unknown base. Indicator: phenolphthalein, Universal, methyl orange. The aim of this laboratory is to determine the molar mass of an unknown acid...