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Leokris [45]
3 years ago
15

Substances which naturally attract each other called what

Physics
1 answer:
grandymaker [24]3 years ago
5 0

Answer:

Ferromagnetism, physical phenomenon in which certain electrically uncharged materials strongly attract others. Two materials found in nature, lodestone (or magnetite, an oxide of iron, Fe3O4) and iron, have the ability to acquire such attractive powers, and they are often called natural ferromagnets.

Hope this help :)

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Hatshy [7]
The last one is correct (D)
8 0
3 years ago
The ossicles (the three tiny bones in the middle ear) are responsible for __________.
Feliz [49]

Answer:

D.amplifying sound vibrations from the eardrum

this is correct

3 0
3 years ago
Read 2 more answers
For a ∆x of 0.1mm, what is ∆px, the uncertainty in the transverse momentum of a photon passing through a slit (where uncertainty
Colt1911 [192]

Answer:

0.53\times 10^{-30}kgms^{-1}

Explanation:

Uncertainty principle say that the position and momentum can not be measured simultaneously except one relation which is described below,

\Delta x\Delta p=\frac{h}{4\pi }

Given that the uncertainty in x is 0.1 mm.

Therefore,

\Delta p=\frac{6.626\times 10^{-34} }{4\times 3.14\times 1\times 10^{-4}m }\\\Delta p=0.53\times 10^{-30}kgms^{-1}

Therefore, uncertainty in the transverse momentum of photon is 0.53\times 10^{-30}kgms^{-1}

6 0
3 years ago
A power plant supplies 1,100 megawatts of power to the electric grid. how many joules of energy does it supply each second?
slavikrds [6]
The answer is it will supply 1.1 x 10⁹ J of energy each second.
we can calculate this by using the following equation;
P = W/t 
<span>W = P x t 
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E = W = P x t
</span>1 watt = 1j/s
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<span>E = 1100 x 106 x 1 </span>
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5 0
3 years ago
Sue and Jenny kick a soccer ball at exactly
Paul [167]

Answer:

a. Fr^2 = 119.7^2 + 49.9^2 = 16,818.1

Fr = 129.7 N.

b. tanA = Y/X = 49.9/119.7 = 0.41688

A = 22.63o = Direction.

Explanation:

3 0
3 years ago
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