3 years ago

Attractions between oppositely charged regions of nearby molecules are called

1 answer:

5 0

Answer:van der Waals forces

Explanation:van der Waals forces are weak bond that occurs between oppositely charged molecules like in the case of a magnet

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3 years ago

The infrasound waves were at just the right ________________ to vibrate the human eye. no frikin links!!!

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3 years ago

A simple gaussmeter for measuring horizontal magnetic fields consists of a stiff 52 cm wire that hangs from a conducting pivot s

vivado [14]

Answer:

8.1345°

Explanation:

We apply $\sum F_x=0$ to the wire to obtain:

$\sum F_x=-F_m+mg\ sin \theta=0$

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$F_m=IlB\ sin \phi, \phi=90\textdegree\\\\F_m=IlB$

#Substitute for $F_m$ to obtain:

$-IlB+mg\ sin \ \theta=0\ \ \ \ \ \ \ \ ...i$

Solve for $\theta$ :

$\theta=sin^{-1}[\frac{IlB}{mg}]$

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$\theta= sin^{-1}[\frac{0.2A\times0.52m\times 0.040T}{0.003\ kg\times9.8m/s^2}]\\\\=8.1345\textdegree$

Hence, the equilibrium angular displacement of the wire from vertical if the horizontal magnetic field is 8.1345°

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3 years ago

Is the number of protons and electrons the same for a neutral atom of a given element?

pogonyaev

Yes, that's why the atom is neutral. A proton carries a positive charge,
and an electron carries a negative charge. When their numbers are
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3 years ago

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