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Mademuasel [1]
3 years ago
6

U Differentiate between rotation and revolutionof earth.​

Engineering
2 answers:
Lynna [10]3 years ago
4 0
“Rotation” refers to an objects spinning motion about it’s own axis.
“Revolution” refers to the objects orbital motion around another object.
Genrish500 [490]3 years ago
3 0
Rotation refers to when
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2. Explain advantages and disadvantages of computer.<br>Each five.​
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Hope it helps...

Explanation:

-the main advantages and benefits you'll get from using a computer.

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3 years ago
A cylindrical specimen of a hypothetical metal alloy is stressed in compression. If its original and final diameters are 16.403
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A certain vehicle loses 3.5% of its value each year. If the vehicle has an initial value of $11,168, construct a model that represents the value of the vehicle after a certain number of years. Use your model to compute the value of the vehicle at the end of 6 years.

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t is desired to produce aligned carbon fiber-epoxy matric composite having a longitudinal tensile strength of 800 MPa. Given (a)
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Answer:

The value of critical length = 3.46 mm

The value of volume of fraction of fibers = 0.43

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Given data

\sigma_{T} =  800 M pa

D = 0.017 mm

L = 2.3 mm

\sigma_{f} = 5500 M pa

\sigma_{m} = 18 M pa

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L_{c} = \sigma_{f} (\frac{D}{2 \sigma_{c} } )

Put all the values in above equation we get

L_{c} =5500 (\frac{0.017}{(2) (13.5)} )

L_{c} = 3.46 mm

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(b).Since this  critical length is greater than fiber length Than the volume fraction of fibers is given by

V_{f} = \frac{\sigma_T - \sigma_m}{\frac{L\sigma_c}{D} - \sigma_m }

Put all the values in above formula we get

V_{f} = \frac{800-18}{\frac{(2.3)(13.5)}{0.017} - 18 }

V_{f} = 0.43

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