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Firlakuza [10]
3 years ago
10

If a transformer has 5000 turns on the primary circuit, 3000 turns on

Physics
1 answer:
nikitadnepr [17]3 years ago
3 0
The answer is C , you’re welcome
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Two coins, made of different material, are placed next to each other so that they are touching. Both coins are 15mm in diameter.
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The mass of the second coin for the given gravitation force is 20.9 g.

The given parameters;

  • <em>distance between the two coins, r = 15 mm = 0.015 m</em>
  • <em>mass of one coin, m₁ = 6.5 g = 0.0065 kg</em>
  • <em>gravitational force between the coins =  4.03 × 10⁻¹¹ N</em>

The mass of the second coin is determined by applying Newton's law of universal gravitation as shown below;

F = \frac{Gm_1 m_2 }{R^2} \\\\m_2 = \frac{FR^2}{Gm_1} \\\\m_2 = \frac{(4.03 \times 10^{-11}) \times (0.015)^2}{(6.67 \times 10^{-11}) \times (0.0065)} \\\\m_2 = 0.0209 \ kg\\\\m_2 = 20.9 \ g

Thus, the mass of the second coin for the given gravitation force is 20.9 g.

Learn more here:brainly.com/question/13590473

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3 years ago
Mr. MacDougall got his vehicle stuck in the snow. Being the nice student that you are, you stop to help Mr. MacDougall out of th
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Answer:

Explanation:

work done=force*displacement

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Work is done when force is applied ____________________________________________?
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D none of the above

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Energy conservation is the process by which one kind of energy changes into a another and when energy is converted this way it's
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True. The question describes the idea of energy conservation faithfully. Energy can change forms but remains the same within an isolated system over time. Within such a system, energy cannot be created or destroyed.

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