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Hanz Barcebal

Hanz B.

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Viewed Questions

A man got his finger caught in a machine at the factory. The damage was less serious than expected, but the entire nail was torn off his right index finger. The parts lost were the body. root, bed, matrix, and eponychium of the nail. First, define each of these parts. Then, tell if this nail is likely to grow back.

A man got his finger caught in a machine at the factory. The damage was less serious than expected, but the entire nail was torn off his right index finger. The parts lost were the body. root, bed, matrix, and eponychium of the nail. First, define each of these parts. Then, tell if this nail is likely to grow back.

Human Anatomy & Physiology

What potential difference is required in an electron microscope to give electrons a wavelength of $0.500 \AA$ ? $$ \text { E of electron }=\frac{1}{2} m v^{2}=\frac{1}{2} m\left(\frac{h}{m \lambda}\right)^{2}=\frac{h^{2}}{2 m \lambda^{2}} $$ where use has been made of the de Broglie relation, $\lambda=\mathrm{h} / \mathrm{mv}$ Substitution of the known values gives the $\mathrm{KE}$ as $9.66 \times 10^{-17} \mathrm{~J}$. But $\mathrm{KE}=V q$, and $\mathrm{so}$ $$ V=\frac{\mathrm{KE}}{q}=\frac{9.66 \times 10^{-17} \mathrm{~J}}{1.60 \times 10^{-19} \mathrm{C}}=600 \mathrm{~V} $$

What potential difference is required in an electron microscope to give electrons a wavelength of $0.500 \AA$ ? $$ \text { E of electron }=\frac{1}{2} m v^{2}=\frac{1}{2} m\left(\frac{h}{m \lambda}\right)^{2}=\frac{h^{2}}{2 m \lambda^{2}} $$ where use has been made of the de Broglie relation, $\lambda=\mathrm{h} / \mathrm{mv}$ Substitution of the known values gives the $\mathrm{KE}$ as $9.66 \times 10^{-17} \mathrm{~J}$. But $\mathrm{KE}=V q$, and $\mathrm{so}$ $$ V=\frac{\mathrm{KE}}{q}=\frac{9.66 \times 10^{-17} \mathrm{~J}}{1.60 \times 10^{-19} \mathrm{C}}=600 \mathrm{~V} $$

Schaum’s Outline of College Physics

With what speed will the fastest photoelectrons be emitted from a surface whose threshold wavelength is $600 \mathrm{~nm}$, when the surface is illuminated with light of wavelength $4 \times 10^{-7} \mathrm{~m} ?$

With what speed will the fastest photoelectrons be emitted from a surface whose threshold wavelength is $600 \mathrm{~nm}$, when the surface is illuminated with light of wavelength $4 \times 10^{-7} \mathrm{~m} ?$

Schaum’s Outline of College Physics

What is the wavelength of light in which the photons have an energy of $600 \mathrm{eV}$ ?

What is the wavelength of light in which the photons have an energy of $600 \mathrm{eV}$ ?

Schaum’s Outline of College Physics

Questions asked

INSTANT ANSWER

Find all currents and voltages across each resistor

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INSTANT ANSWER

Compute the total ATP that can be derived from the complete β – oxidation of arachidic acid (arachidic acid, C20 ).

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INSTANT ANSWER

A 2.5 W wire is curled into an elliptical loop with an area of 1.2 m2 and is placed horizontally on a table where it is embedded in a 30 mT magnetic field that points upward. The ends of the ellipse are then pulled, stretching it out and reducing the area to 0.1 m2 . As the ellipse narrows, a current of 3.6 mA is generated in the wire. How long does it take to change the ellipse’s shape?

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INSTANT ANSWER

24 volts

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24 volts

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INSTANT ANSWER

(I) What is the resistance of a toaster if 120 V produces a current of 4.6 A?

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INSTANT ANSWER

b.)

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INSTANT ANSWER

Demonstrate understanding of the philosophies, theories , and legal bases of special and inclusive education including its application

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ANSWERED

what is the name of structure?

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INSTANT ANSWER

Name of structure

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