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Artist 52 [7]
3 years ago
13

Free points to those who rate this 5 stars and answer "Done". I don't think it lets more than 2 people answer so I guess the fir

st 2 people who answer, get the points.
Physics
2 answers:
chubhunter [2.5K]3 years ago
8 0

Answer:

how do i rate it 5 stars?

Explanation:

Zielflug [23.3K]3 years ago
8 0

Answer:

done

Explanation:

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Rain jackets are coated in durable water-repellant (DWR) finish, a hydrophobic glaze that allows the coats to be breathable, yet waterproof. It lets water vapor—like sweat—out, but keeps rain from getting in. ... Without a DWR, the raincoat is just a coat. So, you'll need to recoat it.

Explanation:

This is according to the web

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Comparing infrared and ultraviolet, we can say that __________. Comparing infrared and ultraviolet, we can say that __________.
Fudgin [204]

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Claire is traveling home when her mother calls and asks her to go to her grandma's house. She is 300 meters north of her house w
m_a_m_a [10]

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Explanation:

5 0
3 years ago
In a Rutherford scattering experiment a target nucleus has a diameter of 1.34×10-14 m. The incoming α particle has a mass of 6.6
Rasek [7]

Answer:

E = 2.5 x 10⁻¹⁴ J

Explanation:

given,

diameter = 1.33 x 10⁻¹⁴ m

mass = 6.64 x 10⁻²⁷ kg

wavelength is equal to diameter

de broglie wavelength equal to diameter

         \lambda = \dfrac{h}{mv}

         1.33 \times 10^{-14}= \dfrac{6.626 \times 10^{-34}}{6.64 \times 10^{-27}\times v}

         v= \dfrac{6.626 \times 10^{-34}}{6.64 \times 10^{-27}\times 1.33 \times 10^{-14}}

              v = 7.5 x 10⁶ m/s

Kinetic energy is equal to

     E = \dfrac{1}{2}mv^2

     E = \dfrac{1}{2}\times 6.64 \times 10^{-27}\times (7.5\times 10^6)^2

            E = 2.5 x 10⁻¹⁴ J

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3 years ago
Nora walks down a street and sees a ball dropped from a building
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It is gravity¿ what is the question?
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