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beks73 [17]
3 years ago
12

Please sb help me fr

Physics
2 answers:
marissa [1.9K]3 years ago
7 0

me lo traduses plis no se ingles solo escribe lo que dice en la guia

DIA [1.3K]3 years ago
5 0

Answer:

I think it might be box 1. Hope this is right have a good day

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A cable is 100-m long and has a cross-sectional area of 1.0 mm2. A 1000-N force is applied to stretch the cable. Young's modulus
Blizzard [7]

Answer:

1 m

Explanation:

L = 100 m

A = 1 mm^2 = 1 x 10^-6 m^2

Y = 1 x 10^11 N/m^2

F = 1000 N

Let the cable stretch be ΔL.

By the formula of Young's modulus

Y=\frac{F\times L}{A\times\Delta L}

\Delta L=\frac{F\times L}{A\times\Y}

\Delta L=\frac{1000\times 100}{10^{-6}\times10^{11}}

ΔL = 1 m

Thus, the cable stretches by 1 m.

4 0
3 years ago
This is physics class, plzzz help ! 86.72 m to cm
Vaselesa [24]

Answer:

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Explanation:

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Which mathematical formula would you use to calculate the IMA of a wheel?
coldgirl [10]

W = F x D

The work you put into a machine -- the input force -- is the force you apply times the distance you apply it. The work done by the machine equals the resisting weight times the distance it moves when you perform the work.

7 0
3 years ago
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Nataly_w [17]

Answer: did you get the answers?

Explanation:

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How should the magnetic field lines be drawn for the magnets shown below?
sergeinik [125]

 Option B is the correct answer that show how magnetic field lines should be drawn for the magnets shown in the figure.

<h3>What is Magnetic Line of Force ?</h3>

The Magnetic Line of Force of a magnet is defined as the line along which a free N - pole would tend to move if placed in the field of a line such that the tangent to it at any point gives the direction of the field at that point.

When the two unlike poles are placed to each other, there will be attraction. And when the two like poles are placed to each other, there will be repulsion. The reason is that the line of force tend to move from the north pole to the south pole.

From the given diagram, the two magnets are of the same south pole. They are of like pole and there will be repulsion between the two magnets.

Therefore, Option B is the correct answer that show how magnetic field lines should be drawn for the magnets shown in the figure.

Learn more about Magnetic Field Lines here:  brainly.com/question/17011493

#SPJ1

5 0
2 years ago
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