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dalvyx [7]
3 years ago
10

Could anyone help with this? :)

Physics
2 answers:
bonufazy [111]3 years ago
4 0
I think the answer might be b
dangina [55]3 years ago
3 0
C 5,1,2,4,3 C is correct
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A hanging wire made of an alloy of titanium with diameter 0.05 cm is initially 2.7 m long. When a 15 kg mass is hung from it, th
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Answer:

Explanation:

Young's modulus of elasticity Y = stress / strain

stress = force / cross sectional area

= weight of 15 kg / π r²

= 15 x 9.8 / 3.14 x ( .025 x 10⁻² )²

stress = 74.9 x 10⁷ N / m²

strain = Δ L / L , Δ L is change in length and L is original length

Putting the values

strain = .0168 / 2.7 =.006222

Young's modulus of elasticity Y  = 74.9 x 10⁷ / .006222

= 120.88 x 10⁹ N / m² .

8 0
2 years ago
Which type of bond has an electronegativity difference greater than 1.7? a. ionic c. nonpolar covalent b. metallic d. polar cova
cestrela7 [59]

Answer: Option (a) is the correct answer.

Explanation:

An ionic bond is formed by transfer of electrons between the two chemically combining atoms. Whereas a covalent bond is defined as the bond formed by sharing of electrons between the two chemically combining atoms.

When electronegativity difference is from 0.0 to 0.4 then bond formed between the two atoms is non-polar covalent in nature.

When electronegativity difference is greater than 0.4 and less than 1.7 then bond between the two atoms is a polar covalent bond.

When electronegativity difference is 1.7 or greater than the bond formed is ionic in nature.

Thus, we can conclude that ionic type of bond has an electronegativity difference greater than 1.7.

8 0
3 years ago
Since sinusoidal waves are cyclical, a particular phase difference between two waves is identical to that phase difference plus
r-ruslan [8.4K]

Answer:

nπ + π/2 for any integer n

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3 years ago
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We have no way to say what the illustration represents, mainly because
you haven't given us a way to see the illustration.

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produce energy is nuclear fusion.</span>

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3 years ago
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Answer:

both staments are examples of scientfic laws

Explanation:

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6 0
2 years ago
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