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nasty-shy [4]
3 years ago
8

(70) The Law of Conservation of Mass states that

Physics
1 answer:
boyakko [2]3 years ago
5 0

Answer:

the mass of the reactants must equal the mass of product

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A specimen of aluminum having a rectangular cross section 9.6 mm × 12.9 mm (0.3780 in. × 0.5079 in.) is pulled in tension with 3
madam [21]

Answer:

\epsilon=4.16\times 10^{-3}\

Explanation:

It is given that,

Dimension of specimen of aluminium, 9.6 mm × 12.9 mm

Area of cross section of aluminium specimen, A=9.6\times 12.9=123.84\times 10^{-6}\ mm^2

A=123.84\times 10^{-6}\ m^2

Tension acting on object, T = 35600 N

The elastic modulus for aluminum is, E=69\ GPa=69\times 10^9\ Pa

The stress acting on material is proportional to the strain. Its formula is given by :

\epsilon=\dfrac{\sigma}{E}

\sigma is the stress

\epsilon=\dfrac{F}{EA}

\epsilon=\dfrac{35600}{69\times 10^9\times 123.84\times 10^{-6}}

\epsilon=4.16\times 10^{-3}

Hence, this is the required solution.

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3 years ago
the sun is one hundred and fifty million kilometers away from earth write this in scientific notation​
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As an example, the distance from Earth to the Sun is about 150,000,000,000 meters – a very large distance indeed. In scientific notation, the distance is written as 1.5 × 1011 m.

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How does a electron travel through a closed circuit?
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