3 years ago

Electrical conductivity in liquid solutions depends on the presence of free

Physics

1 answer:

Alla [95]3 years ago

3 0

Answer:

electrical conductivity in liquid solutions depends on the availability of free ions.

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When is an object moving in uniform circular motion?

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Answer: An object undergoing uniform circular motion is moving

Explanation:

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3 years ago

what is the energy of a single photon of ultraviolet light with a wavelength of 30.0 nm? 1 nm=10^-9 m

Arada [10]

From the planks equation
E=hv
V= c/ wave length
V= 3×10^8/30×10^-9
=1×10^16
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6.63×10^-34×1×10^16
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3 years ago

A wheel is rotating freely at angular speed 420 rev/min on a shaft whose rotational inertia is negligible. A second wheel, initi

Mashcka [7]

Answer:60 rev/min

Explanation:

Given

angular speed of first shaft $\omega _1=420\ rev/min$

Moment of inertia of second shaft is seven times times the rotational speed of the first i.e. If I is the moment of inertia of first wheel so moment of inertia of second is 7 I

As there is no external torque therefore angular momentum is conserved

$L_1=L_2$

$I_1\omega _1=I_2\omega _2$

$I\times (420)=7 I\times (\omega _2)$

$\omega _2=\frac{420}{7}$

$\omega _2=60\ rev/min$

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3 years ago

Which of the following BEST describes a deer?

ad-work [718]

If we go down the list,

It wouldn’t be Primary Producer because Deer don’t really produce anything

Can’t be Carnivore because deer don’t eat meat

Same with tertiary

They do eat plants. So it would have to be the last one

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It would be
<span>B) ancestry </span>

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