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4 years ago

What a measurement standard is defined as?

Physics

2 answers:

erastovalidia [21]4 years ago

7 0

Answer:

Measurement is the competion of known quantity to unknown quantity.

Explanation:

I hope that it will be right answer

Travka [436]4 years ago

6 0

Answer:

Measurement standard is relationship of a physical quantity.

Explanation:

Measurement standard is the fundamental reference and measuring the compared the device, these reference is controlled to the objects conditions to the physical quantity.

Measurement standard are international and perfect master standard and they can not used to the general purpose, there are following categories are:-(1) primary standards (2) secondary standard (3) working standard.
(1) primary standard is also known as the master standard to the careful conditions, they are used to the long internals only and they compare to the secondary standard.
(2) Secondary standard is also known as the primary standard these type of standard are compared to the regular intervals, and distribute to the safe custody.
(3) Working standard is also used to the workshop and laboratories by the worker these are to used in the materials reduce cost.
Measurement standard is the need of working to the standards in based to the international standard system.

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Vision is blurred if the head is vibrated at 29 Hz because the vibrations are resonant with the natural frequency of the eyeball

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Answer:

255.4 N/m

Explanation:

We can consider the system eyeball-attached to the musculature as a mass-spring system in simple harmonic motion, whose frequency of oscillation is given by

$f=\frac{1}{2\pi}\sqrt{\frac{k}{m}}$

where in this case, we know:

f = 29 Hz is the frequency of oscillation

k is the spring constant, which is unknown

m = 7.7 g = 0.0077 kg is the mass of the eyeball

Solving the equation for k, we find the spring constant of the musculature attached to the eyeball:

$k=(2\pi f)^2 m=(2 \pi (29 Hz))^2 (0.0077 kg)=255.4 N/m$

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Answer:

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Explanation:

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