3 years ago

Which is larger, the Sun's pull on Earth or Earth's pull on the Sun?

Physics

1 answer:

Juliette [100K]3 years ago

3 0

B it’s the most logical answer

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If an electric wire is allowed to produce a magnetic field no larger than that of the Earth (0.50 x 10-4 T) at a distance of 15

ser-zykov [4K]

Answer:

$I = 37.5\ A$

Explanation:

Given,

Magnetic field,B = 0.5 x 10⁻⁴ T

distance,r= 15 cm = 0.15 m

Current = ?

Using Ampere's law of magnetic field

$B = \dfrac{\mu_0I}{2\pi r}$

$I= \dfrac{B (2\pi r)}{\mu_0}$

$I= \dfrac{0.5\times 10^{-4}\times (2\pi \times 0.15)}{4\pi \times 10^{-7}}$

$I = 37.5\ A$

Current in the wire is equal to $I = 37.5\ A$

3 0

2 years ago

The magnetic circuit below is excited by a 100-turn coil wound over the central leg. The mean length of the central leg is 5.5cm

Dafna11 [192]

Answer:

Hello your question is incomplete attached below is the complete question and solution

<em>answer; </em>

attached below

Explanation:

<em>Given data:</em>

100-turn coil

mean length of central leg = 5.5 cm

mean length of outer paths = 15.5 cm

relative permeability = 2000

cross sectional area ( A ) = 1 cm^2

distance x = 1 cm

attached below is a detailed solution

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2 years ago

A spatially challenged goldfish swims along the x-axis only. Its initial position is 7.8 m. After swimming back and forth a whil

Nostrana [21]

Answer:

-3.4 m

Explanation:

The displacement is the difference between the final position and the initial position:

4.4 m - 7.8 m = -3.4 m

6 0

2 years ago

Which of the following molecules is correctly paired with its macromolecule class? (2 points)

Mazyrski [523]

Answer:

adjust chosen Karl Karl jam halted Bernie

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2 years ago

Derive the formula 2as=v² -u² where the formula have have usual meanings

attashe74 [19]

Answer:The main formula is v² = u² + 2as

Explanation:

S=½(u +v)t

t = v+u/a

S=½(v-u)(v+u/a)

S=½v²+uv-uv-u²/a

2as=v²-u²

5 0

3 years ago