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    Minael John

    Student at HENRY GOGARTY in Arusha

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    Minael John 2 years ago

    Commented on CAREEN ABRAHAM's Post in Physics Discussions

    CAREEN ABRAHAM Posted 2 years ago

    Discussion posted in Physics Discussions

    Measurement

    Calculating vernier callipers

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    Minael JohnPhoto
    Minael John Posted on 2 years ago

    Sorry after taking the calculations add the values.

    Minael JohnPhoto
    Minael John Posted on 2 years ago

    You read the main scale and after you read the venier scale which is straight and then you calculate the by taking the venier scale and 0.01cm 0r 0.1mm.

    Minael John 2 years ago

    Commented on Alex Makenzie's Post in Physics Discussions

    Alex Makenzie Posted 2 years ago

    Discussion posted in Physics Discussions

    Force

    The weight of an object earth is 60n . determine the weight of the same object on moon where the gravitational pull is one sixth that of the earth?. Up

     

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    Minael JohnPhoto
    Minael John Posted on 2 years ago

    Given
    Weight on Earth=60N
    gravity on earth 10N/Kg
    thus mass on earth is 6N
    1/6of10N/Kg=1.6666667N/Kg
    :Weight on the moon=MassxGravity(in the moon)
    6Kgx1.6666667=10.0000002N
    Thus the weight of the object on the moon is:10.0000002N

    Minael John   Posted 2 years ago

    Discussion Posted in Physics Discussions

    Radioactivity

    What is half life 

     

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    Minael John 2 years ago

    Commented on Sarah Chiputa's Post in Chemistry Discussions

    Sarah Chiputa Posted 2 years ago

    Discussion posted in Chemistry Discussions

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    Minael John Posted on 2 years ago

    Valence is the combing power of an element.It has no charge valence are mostly represented by group numbers,i.e Mg is in group:2 and it has a valence of 2.

     

     

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