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  1. #1 question 
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    why is it helpful to wear helmet while riding?
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  2. #2  
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    Quote Originally Posted by hamdan View Post
    why is it helpful to wear helmet while riding?
    Riding where? Bicycle, motorcycle, horse, automobile? In most cases, if you fall and hit your head on the ground the helmet provides some protection.
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  3. #3  
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    It just for the sake of your safety.
    The reason why there is such a helmet big role, because it is the production principle has a strong scientific: smooth dome design, play cushion the impact force;
    helmet top bars design played a reinforced top of the housing intensity role in the external shocks,
    the helmet not damaged or cracked; internal component design also played a buffer role, maximize the protection of the safety of personnel.
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  4. #4  
    MPA
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    If we have a single particle of a real gas in a box can that be treated as an ideal gas?
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  5. #5  
    Administrator Markus Hanke's Avatar
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    Quote Originally Posted by MPA View Post
    If we have a single particle of a real gas in a box can that be treated as an ideal gas?
    MODERATOR NOTE: This is unrelated to the topic of this thread; please open a new thread in the appropriate section to ask your question.
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