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REY [17]
4 years ago
13

Which statement about cellulose is true?

Physics
2 answers:
zlopas [31]4 years ago
6 0
Is there any answers? Or is it asking you to choose?
grandymaker [24]4 years ago
4 0
<span>It’s used to make paper products


hope i could help
</span>
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A wire is formed into a circle having a diameter of 19.0 cm and placed in a uniform magnetic field of 3.40 mT. The wire carries
nikklg [1K]

Answer:

Explanation:

Radius = 9.5 x 10⁻² m

area of circle = 3.14 x (9.5 x 10⁻² )²

A = 283.38 x 10⁻⁴ m²

magnetic moment = area x current

M = 283.38 x 10⁻⁴ x 5

= 1416.9 x 10⁻⁴  Am²

Torque = MBsinθ

M is magnetic moment , B is magnetic field .

Max torque = 1416.9 x 10⁻⁴  x 3.4 x 10⁻³ , for θ = 90

= 4817.46 x 10⁻⁷

= 481.7 x 10⁻⁶

= 481.7 μ J

Energy = - MBcosθ

Max  energy  when θ = 180

MB = 4817.46 x 10⁻⁷ J

Min energy = - 4817.46 x 10⁻⁷  for θ = 0

7 0
3 years ago
What is the name of the variable that you can change in an experiment?
Schach [20]
That would be the independent variable.

Dependent variable changes according to the independent variable

I honestly don’t know about graphing and stable variables never heard of it before
7 0
3 years ago
Read 2 more answers
A flea jumps by exerting a force of 1.07 10-5 N straight down on the ground. A breeze blowing on the flea parallel to the ground
Aleonysh [2.5K]

Answer:

a) 15.77 m/sec2

b) 13.3 deg

Explanation:

we are given;

Flea force = F1=1.07×10⁻5 N j

Breeze force = F2 = 1.14× 10⁻6 N (-j

mass of flea =6.0 ×10⁻7 kg

So net force on the flea=F1+F2+weight of flea=1.07×10⁻5 j +1.14× 10⁻6 i + 6.0 ×10⁻7 (-j) ×9.8= ma

==> ma = 1.07×10⁻5 j - 0.588×10⁻5 j + 0.114×10⁻5 i

==> ma= 0.482 ×10⁻5 j +0.114×10⁻5 i

==> ma = 0.114×10⁻5 i +0.482 ×10⁻5 j

== a = (0.114×10⁻5 i +0.482 ×10⁻5 j) / 6.0 ×10⁻7

==> a =

==>a= (1.9 j+8.03 i ) m/sec2

mag of a \sqrt{1.9^{2}  +8.03^{2} = 15.77 m/sec2

direction angle = tan⁻1(1.9/8.03)=13.3°

8 0
3 years ago
The dispersed particles of a colloid exhibit brownian motion, in which they move _____.
Archy [21]

The dispersed particles of a colloid exhibit brownian motion, in which they move _____. ... The dispersed particles of a colloid exhibit brownian motion, in which they move in a chaotic manner without a discernible pattern.

8 0
3 years ago
Read 2 more answers
Construct vectors A and B for the cases below. First draw a vector W, then the parallelogram that has equal and opposite vector
gregori [183]

Answer:

Diagrams containing answers are attached

Explanation:

Diagram needed to solve the question was missing, So I have attached it with this answer. Also the diagonals of a parallelogram can only be equal to A + B (Not AB as given in your statement).

~~~~~~~~~~~~~~~~~~~~~~~ ANSWER FROM HERE ~~~~~~~~~~~~~~~~~~~~~~

First of all let us understand the law of parallelogram for vector addition. It states that, <em>"If two vectors are along the adjacent sides of a parallelogram, then their resultant is given by the vector that is a diagonal passing through the point of contact of these vectors".</em>

I have attached the diagrams describing the vectors A and B for the cases.

From diagram, it is clear that the magnitude of A and B is equal (balancing horizontal forces) and the resultant A + B is equal to the weight of the stone W (balancing vertical forces). Therefore, we can mathematically write:

      A = B  - - - - -  (i)

&     A + B = W - - - - - - (ii)

Putting A = B in equation (ii), we get

B + B = W

2B = W

<u>B = W/2</u>

Putting B = W/2 in equation (i), we get

<u>A = W/2</u>

Hence, magnitudes of both A and B are approximately W/2

4 0
3 years ago
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