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sladkih [1.3K]
3 years ago
5

Weight _____. A) is related to mass, but not the same. B) changes as mass changes C) depends upon gravitational pull D) all of t

he above
Physics
1 answer:
german3 years ago
8 0

Answer:

D) all of the above

Explanation:

All of the given choices are correct definition of what weight of a substance implies.

Weight is the vertical force on a body due to the gravitational attraction or pull.

  Weight  = mass x acceleration due to gravity

Mass of a body is directly proportional to its weight and so also is the gravity.

Mass is the amount of matter within a substance.

Weight is the force of gravity exerted by a body on another or a surface.

The reason why the weight of a body changes from place to place is mainly due to the gravitational pull

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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
Sidana [21]

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

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where in this case, we know:

f = 29 Hz is the frequency of oscillation

k is the spring constant, which is unknown

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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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Geologists have evidence that the continents were once a single giant landmass that land mass eventually split apart and the ind
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