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Ierofanga [76]
4 years ago
5

Help please i need an answer asap

Physics
1 answer:
Vikki [24]4 years ago
3 0
Sorry it wont let me see the question!!
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Mercury’s natural state is where the atoms are close to each other but are still free to pass by each other in witch states coul
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Mercury's natural state is where the atoms are close to each other but are still free to pass by each other. In which state(s) could mercury naturally exist?

Liquid is the answer

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Which of the following would cause the greatest decrease in gravitational force between the earth and the moon?
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A decrease in the distance between the earth and the moon.

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2. True or False Every sample of a pure substance has exactly the same composition
Marrrta [24]

Answer:

the correct answer is False

Explanation:

i hope its right

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3 years ago
Please helppp!!! , i can't afford to fail in this course again
Mrrafil [7]

Answer:

the swing on the right is more likely to break

since the vertical component of the tension of the rope has to balance the weight. ie. the resultant tension in the rope is greater

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4 years ago
Copper has a modulus of elasticity of 110 GPa. A specimen of copper having a rectangular cross section 15.2 mm × 19.1 mm is pull
bearhunter [10]

Answer:

strain = 1.4 \times 10^{-3}

Explanation:

As we know by the formula of elasticity that

E = \frac{stress}{strain}

now we have

E = 110 GPA

E = 110 \times 10^9 Pa

Area = 15.2 mm x 19.1 mm

A = 290.3 \times 10^{-6}

now we also know that force is given as

F = 44500 N

here we have

stress = Force / Area

stress = \frac{44500}{290.3 \times 10^{-6}}

stress = 1.53 \times 10^8 N/m^2

now from above formula we have

strain = \frac{stress}{E}

strain = \frac{1.53 \times 10^8}{110 \times 10^9}

strain = 1.4 \times 10^{-3}

7 0
3 years ago
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