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    can someone help me with uncertainities
    i suck at them

    for example this question

    The following measurements were made on a cylinder:
    mass = 5.09 ± 0.01 kg
    diameter = 9.4 ± 0.1 cm.

    Calculate the actual uncertainty in the pressure.

    will be looking forward for help
    many thanks
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    Incoming.
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    (Original post by sanjukp)
    can someone help me with uncertainities
    i suck at them

    for example this question

    The following measurements were made on a cylinder:
    mass = 5.09 ± 0.01 kg
    diameter = 9.4 ± 0.1 cm.

    Calculate the actual uncertainty in the pressure.

    will be looking forward for help
    many thanks
    Think about what you're doing with the mass and diameter to find the pressure. Are you adding them? Multiplying them? Squaring them? Do you know what happens to the uncertainty when you mutliply two quantities or raise them to powers?
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    yes i knw that whn we multiply we add the percentage uncertainities
    which is the uncertainity/true value x100
    raise thm to powers idk :|
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    (Original post by sanjukp)
    yes i knw that whn we multiply we add the percentage uncertainities
    which is the uncertainity/true value x100
    raise thm to powers idk :|
    To find the fractional uncertainty in v^2 it's 2\frac{\Delta v}{v}.
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    ahaan
    got it
    thaaanks
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    (Original post by sanjukp)
    ahaan
    got it
    thaaanks
    Cheers.
 
 
 
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