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    7Nov, 2023
    Two bodies of different masses dropped from same height strike the ground at same time. Why?

    As we know that acceleration due to gravity doesn’t depend upon mass of objects.

    Two bodies even of different masses dropped from same height are accelerated at same rate and having same initial velocity i. e. 0 m/s (being dropped). Because of same initial velocity and same rate of acceleration they get same velocity in a particular time. That’s why they take equal time to cover equal distance and strike the ground at same time. 

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    6Nov, 2023
    What is Hemophilia?

    Hemophilia is a disease caused by lack of Platelets. In this disease blood fails to clot. That’s why even a simple mechanical injury can become fatal for hemophilic patient.

    Note – This is a heredity disease. It happens only to male not to female.

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    5Nov, 2023
    An anaemic patient can’t do hard work. Why?

    In an anaemic patient, there is a lack of R. B. C. or, Haemoglobin which carries oxygen from lungs to cells. Oxygen is necessary to produce energy in cell to perform work. 

    Because of lack of R. B. C. required amount of oxygen can’t be supplied and not able to produce required amount of energy. That’s why an anaemic patient can’t do hard work.

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