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Naddika [18.5K]
2 years ago
5

What is 2+2? Answer correctly and you receive a Brainly.

SAT
2 answers:
kakasveta [241]2 years ago
7 0
Answer = 4 ;)

Explanation = 1-2+2-0-1+4 = ....
Solnce55 [7]2 years ago
3 0

Answer:

The correct answer is 4.

Explanation:

1 + 1 + 1 + 1 = 4

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A country that is concerned about inflation wants to:.
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Prevent its currency from losing value too quickly.

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Which metric unit would be the best choice to report the result? kg mg ng
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kg

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kg is best for larger objects

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Alfred Wegener suggested that earth’s continents are moving. Which evidence supports this theory?
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Continental Drift was his theory

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Write a scientific explanation describing if the night sky looks the same all year.
Leya [2.2K]

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The night sky is different at different times of the year. You see different constellations every now and then. This change is due to the motion of the Earth in its orbit around the Sun. Each day a few stars are visible in the east that were not visible the night before.

Explanation:

3 0
3 years ago
A force of 5000n is applied outwardly to each end of a 5. 0-m long rod with a radius of 34. 0 cm and a young's modulus of 125 ×
Vitek1552 [10]

The elongation of the rod is 5.51 \times 10^{-4}m`

<h3>Young Modulus of a substance</h3>

The young modulus of a substance is the<u> ratio of stress to the strain</u> of material.

Modulus = \frac{Stress}{Strain}\\ Modulus =\frac{Fl}{Ae}

where:

  • F is the applied force = 5000N
  • l is the length of the rod = 5.0m
  • A is the cross-sectional area = \pi r^2 = 0.34^2 * 3.14 =0.362984m^2

Required

Extension of the rod "e"

Substitute the given parameters into the formula to have;

e=\frac{Fl}{A \gamma} \\e=\frac{5000 \times 5}{0.362984 \times 125,00,000}\\e=\frac{25000}{45,373,000}\\e=  5.51 \times 10^{-4}m

Hence the elongation of the rod is 5.51 \times 10^{-4}m`

Learn more on young's modulus here: brainly.com/question/6864866

6 0
2 years ago
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