3 years ago

How many planets are in our solar system

Physics

2 answers:

astra-53 [7]3 years ago

5 0

There’s 8 planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

Leni [432]3 years ago

5 0

Answer:

9 planets before, but now 8 planets

Explanation:

mercury

venus

earth

mars

jupiter

saturn

uranus

neptune

pluto( excluded from the 8 planets)

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Answer:

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Solution:

As per the question:

Length of the coil, l = 12 cm = 0.12 m

Diameter, d = 1.7 cm = 0.017 m

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Now,

Area of cross-section of the wire, A = $\frac{\pi d^{2}}{4} = \frac{\pi \times 0.017^{2}}{4} = 2.269\times 10^{- 4}\ m^{2}$

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$L = \frac{mu_{o}AN^{2}}{l} = \frac{4\pi \times 10^{- 7}\times 2.269\times 10^{- 4}\times 235^{2}}{0.12} = 1.312\times 10^{- 4}\ H = 13.12\ mH$

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3 years ago

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pentagon [3]

Answer:

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Explanation:

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6x^2-16x-32

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