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blsea [12.9K]
3 years ago
6

what are two benefits of scientists using a diagram to model the water cycle A It can Show changes that Occur in many Diffrent p

arts of Earth at The Same Time . B It can Be Used to Show How the parts of the cycle relate to One Another. C Only a Few Factors In The Water Cycle can be shown on the Diagram .D It can be used to show as much detail as is Present in The actual Water Cycle.
Physics
1 answer:
kolbaska11 [484]3 years ago
4 0

Answer:

right ones are. It can show changes that occur in many different parts of the Earth at the same time, and It can be used to show how the parts of the cycle relate to one another.

Explanation:

I just did it on Apex, hope this helps!!

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S Suppose you wish to fabricate a uniform wire from a mass m of a metal with density rhom and resistivity rho. If the wire is to
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By calculation, the diameter of the wire  is 2.8 * 10^-3 m.

<h3>How do we obtain the length?</h3>

The following data are given in the question;

Mass of the wire = 1.0 g or 1 * 10^-3 Kg

Resistance = 0.5 ohm

Resistivity of copper = 1.7 * 10^-8 ohm meter

Density of copper = 8.92 * 10^3 Kg/m^3

V = m/d

But v = Al

Al = m/d

A = m/ld

Resistance = ρl/A

= ρl/m/ld =

l^2 = Rm/ρd

l = √ Rm/ρd

l = √0.5 * 1 * 10^-3 / 1.7 * 10^-8 * 8.92 * 10^3

l = 1.82 m

A = πr^2

Also;

A = m/ld

A = 1 * 10^-3 Kg / 1.82 m * 8.92 * 10^3 Kg/m^3

Area of the wire = 6.2 * 10^-5 m^2

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r = √A/ π

r = √6.2 * 10^-5 m^2/3.142

r = 1.4 * 10^-3 m

Diameter = 2r = 2( 1.4 * 10^-3 m) = 2.8 * 10^-3 m

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#SPJ4

Missing parts;

Suppose you wish to fabricate a uniform wire from 1.00g of copper. If the wire is to have a resistance of R=0.500Ω and all the copper is to be used, what must be (a) the length and (b) the diameter of this wire?

6 0
1 year ago
A coin is placed on a vinyl stereo record that is making 33 1/3 revolutions per minute on a turntable. (a) In what direction is
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Answer: a) The acceletarion is directed to the center on the turntable. b) 5 cm; ac= 0.59 m/s^2; 10 cm, ac=1.20 m/s^2; 14 cm, ac=1.66 m/s^2

Explanation: In order to explain this problem we have to consider teh expression of the centripetal accelartion for a circular movement, which is given by:

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w=2*π*f

We know that the turntable is set to 33  1/3 rev/m so

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r= 0.05 m  ac=3.45^2*0.05=0.50 m/s^2

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3 years ago
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musickatia [10]

Answer:

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d = 1.3 x 10⁻⁴ m

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