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3 years ago

10

After using soap to wash dishes by hand, if is sometimes difficult to keep your hands from remaining stick. Explain why rinshing

your hand in lemon juice would make then less slick

1 answer:

gulaghasi [49]3 years ago

6 0

<h2>HOPE THIS HELPS YOU ....</h2><h3>PLEASE MARK ME AS BRAINILIST...</h3>

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A mass is undergoing simple harmonic motion. When its displacement is 0, it is at its equilibrium position. At that moment, its

likoan [24]

Answer:

When X = 0

Speed = maximum V (max) = ω A

Acceleration = zero a(max) = - ω^2 A

From x = A sin ω t sin = 0 so displacement = zero

V = ω A cos ω t cos = 1 and speed = maximum

a = - A ω^2 sin ω t sin = 0 and acceleration = zero

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2 years ago

The columns in the periodic table are called groups. What do the elements in group 18 have in common

dimaraw [331]

Answer: D

Explanation:

they are all odorless, colorless, monatomic gases with very low chemical reactivity.

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We can determine the __________ of a wave when given the frequency and the wavelength. (2 points)

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The correct answer to the problemis velocity. I did the test.

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Determine the radial acceleration of the ultracentrifuge using calculations

Dmitry [639]

When something moves on a round track, the guidance of the something's velocity must continually switch. A switching velocity means that there must be an acceleration. This acceleration is horizontal to the guidance of the velocity. This is said as “the radial acceleration”, or “centripetal acceleration” ("centripetal" means "center searching"). The “radial acceleration” is equal to “the square of the velocity”, divided by “the radius of the circular path of the object”. The unit of the “centripetal acceleration” is m/s².

$\text { Centripetal acceleration }=\frac{\text {velocity}^{2}}{\text {radius of motion}}$

$\mathrm{a}_{\mathrm{rad}}=\frac{V^{2}}{r}$

where,

$\text { and }=\text { radial, or centripetal, acceleration }(\mathrm{m} / \mathrm{s} ^2)$

"v" = "velocity" (m/s) and "r" = "radius of motion of the object" (m)

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