3 years ago

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

The given parameters;

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

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.

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