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    Henry Macharia

    Student at Kairi Boys High School in Thika,Kiambu

    2500
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    Activities timeline


    Sharifa Shabani Posted 2 years ago

    Discussion posted in Physics Discussions

    Friction

    what are the advantages of friction

      1       7
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    Henry MachariaPhoto
    Henry Macharia Posted on 2 years ago

    Used in walking, writing, braking of cars,

    Beatrice Laizer Posted 2 years ago

    Discussion posted in Mathematics Discussions

    Matrices And Transformations

    Solve this

     

    3x+7y=12

     

    4x+2y=5.

     

      2       1
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    Henry MachariaPhoto
    Henry Macharia Posted on 2 years ago

    X=1/2
    y=3/2
    Hope am not wrong

    BLENCA Lebux Posted 2 years ago

    Discussion posted in Mathematics Discussions

    Area And Perimeter

    what is the surface area of a cylinder

      1       0

    Cindy Modimo Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Formula Bonding and Nomenclature

    what  is formula,bounding and nomenclature

      0       3
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    Henry MachariaPhoto
    Henry Macharia Posted on 2 years ago

    Bonding is when two or more atoms combine chemically and an attractive force exists btn the atoms
    Nomenclature is the naming system of organic compounds

    Henry Macharia 2 years ago

    Commented on @poppy Smic#'s Post in Physics Discussions

    @poppy Smic# Posted 2 years ago

    Discussion posted in Physics Discussions

    Thermal Expansion

    define anomalous expansion of water

      0       2
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    Henry MachariaPhoto
    Henry Macharia Posted on 2 years ago

    When the water behaves unusually in that it contracts when it's temperature raises from0°c to 4°c

    CHRISTIAN Momburi Posted 2 years ago

    Discussion posted in Physics Discussions

    Measurement

    What is volume

      0       6
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    Henry MachariaPhoto
    Henry Macharia Posted on 2 years ago

    Space occupied by matter

    Henry Macharia 2 years ago

    Commented on Kauye Madiga's Post in Physics Discussions

    Kauye Madiga Posted 2 years ago

    Discussion posted in Physics Discussions

    Waves

    How does the wind affect the speed of sound in gases?

      2       2
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    Henry MachariaPhoto
    Henry Macharia Posted on 2 years ago

    Wind blowing in the same direction as sound increases the velocity of the latter

    Elias Gebron Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Chemical Equations

    what is molar mass and relative atomic mass

      0       3
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    Henry MachariaPhoto
    Henry Macharia Posted on 2 years ago

    Molar mass and relative atomic mass are one and the same

    Gladness Mkasile Posted 2 years ago

    Discussion posted in History Discussions

      0       5
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    Henry MachariaPhoto
    Henry Macharia Posted on 2 years ago

    Kilwa hope am right

    Henry Macharia 2 years ago

    Commented on Steron Max's Post in Chemistry Discussions

    Steron Max Posted 2 years ago

    Discussion posted in Chemistry Discussions

    Formula Bonding and Nomenclature

    Mention 2 types of bonding?

      2       9
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    Henry MachariaPhoto
    Henry Macharia Posted on 2 years ago

    Ionic bonding and covalent bonding

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    Makini Quizzes Henry attempted
    Exams/Test Attempts Results for Henry
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