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1 year ago

A human hair is approximately is 50um in diameter. express this diameter in meters

Physics

1 answer:

stealth61 [152]1 year ago

6 0

50 μm = 5 × 10⁻⁵ m in diameter

<h3>Steps</h3>

1μm = 1 x $10^{-6}$ m

<h3>Given</h3>

1μm = 1 x $10^{-6}$ m

50μm = 50 x $10^{-6}$ m

50μm = 50 x 10 x $10^{-6}$

50μm = 5 x $10^{-5}$ m

<h3>Conclusion</h3>

A human hair is approximately 50 μm = 5 × 10⁻⁵ m in diameter

<h3>How big is a human hair on average?</h3>

between 17 and 181 micrometers

The typical diameter of human hair can range from 17 micrometers to 181 micrometers, according to research. Using 50 micrometers as an average figure for its diameter, this translates to 50,000 nanometers.

<h3>What is a human hair's diameter in inches?</h3>

The finest hair is flaxen, with a diameter ranging from 1/1500 to 1/500 of an inch. the coarsest hair is black, measuring between 1/450 and 1/140 of an inch.

learn more about human hair diameter here

<u>brainly.com/question/13147893</u>

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vova2212 [387]

Answer:

1. 0.45 s.

2. 4.41 m/s

Explanation:

From the question given above, the following data were obtained:

Height (h) = 1 m

Time (t) =?

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1. Determination of the time taken for the pencil to hit the floor.

Height (h) = 1 m

Acceleration due to gravity (g) = 9.8 m/s²

Time (t) =?

h = ½gt²

1 = ½ × 9.8 × t²

1 = 4.9 × t²

Divide both side by 4.8

t² = 1/4.9

Take the square root of both side

t = √(1/4.9)

t = 0.45 s.

Thus, it will take 0.45 s for the pencil to hit the floor.

2. Determination of the velocity with which the pencil hit the floor.

Initial velocity (u) = 0 m/s

Acceleration due to gravity (g) = 9.8 m/s²

Time (t) = 0.45 s.

Final velocity (v) =?

v = u + gt

v = 0 + (9.8 × 0.45)

v = 0 + 4.41

v = 4.41 m/s

Thus, the pencil hit the floor with a velocity of 4.41 m/s

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4 years ago

A measurement standard is defined as ____.

Serggg [28]

<u>Answer:</u>

A measurement standard is defined as 'the exact quantity people agree to use for comparison'.

<u>Explanation:</u>

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This measurement standard is defined as 'the exact quantity people agree to use for comparison'.

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Answer:

h = 11.25m

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mgh = 1/2mv2

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The motor winds in the cable with a constant acceleration, such that the 20-kg crate moves a distance s = 6 m in 3 s, starting f

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Answer:

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