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Arisa [49]
3 years ago
13

From left to right across a period in the periodic table, elements become less and more in their properties

Physics
1 answer:
Fiesta28 [93]3 years ago
6 0

Answer: less metallic

Explanation:

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A 4 kilogram box is at rest on a frictionless floor. A net force of 12 newtons acts on it. What is the acceleration of the box?
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Answer:

<h2>3 m/s^2</h2>

Explanation:

Step one:

given

Mass m= 4kg

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Required

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F=ma

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3 years ago
A 70 kg driver gets into an empty taptap to start the day's work. The springs compress 2.3×10−2 m . What is the effective spring
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Explanation:

m=Mass\ of\ diver=70\ kg\\x=Length\ compressed\ by\ spring=2.3\times 10^{-2}\ m\\a=Acceleration\ due\ to\ gravity=9.81\ m/s^2\\F=Force\ exerted\ by\ diver=m\times a\\\Rightarrow F=70\times 9.81\\\Rightarrow F=686.7\ N\\k=spring\ constant\\F=k\times x\\\Rightarrow k=\frac {F}{x}\\\Rightarrow k=\frac {686.7}{2.3\times 10^{-2}}\\\therefore k=29856.521\ N/m

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Which statement about elements and atoms is true?
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3. True

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6. D. Neutron

7. B. Protons and Neutrons

8. C. Electron

9. C. 6

10. C.6

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4 years ago
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