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3 years ago

Two objects each with a mass of 5x10^15 kg have a gravitational

Physics

1 answer:

kipiarov [429]3 years ago

6 0

Answer:

Distance, r = 700.31 m

Explanation:

Mass of two objects, $m_1=m_2=5\times 10^{15}\ kg$

Force between the objects , $F=3.4\times 10^{15}\ N$

We need to find the distance between the two objects. The force of gravitational between two objects is given by :

$F=G\dfrac{m_1m_2}{r^2}\\\\r=\sqrt{\dfrac{Gm_1m_2}{F}} \\\\r=\sqrt{\dfrac{6.67\times 10^{-11}\times (5\times 10^{15})^2}{3.4\times 10^{15}}}\\\\=700.31\ m$

So, the distance between the objects is 700.31 m.

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3 years ago

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vesna_86 [32]

Answer:

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Explanation:

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$=\frac{\mu_0N^2}{l}.\pi(\frac d2)^2$

$=\mu_0\pi\frac{N^2d^2}{4l}$

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d= diameter of the solenoid

A=cross section area

B=magnetic induction

$\phi$ = magnetic flux

$I$ = Current

Given that, Solenoid A has total number of turns N, length L and diameter D

The inductance of solenoid A is

$=\mu_0\pi\frac{N^2D^2}{4L}$

Solenoid B has total number of turns 2N, length 2L and diameter 2D

The inductance of solenoid B is

$=\mu_0\pi\frac{(2N)^2(2D)^2}{4.2L}$

$=\mu_0\pi\frac{16 N^2D^2}{4.2L}$

Therefore,

$\frac {\textrm{Inductance of A}}{\textrm{Inductance of B}}=\frac{\mu_0\pi\frac{N^2D^2}{4L}}{\mu_0\pi\frac{16 N^2D^2}{4.2L}}$

$\Rightarrow \frac {\textrm{Inductance of A}}{\textrm{Inductance of B}}=\frac18$

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4 years ago

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3 years ago

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Answer:

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3 years ago