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andreyandreev [35.5K]
2 years ago
6

Explain why you cannot see your face on a plane paper.​

Physics
2 answers:
Sonja [21]2 years ago
6 0

Answer:

because white pieces of paper have a rough surface that means diffused reflection takes place.

Explanation:

Katena32 [7]2 years ago
4 0

Answer:

Because white sheets of paper have a rough surface, dispersed reflection happens. Therefore, you can't see your face on a white sheet of paper. The picture was lost as a result of the repeated reflections scattering the image's reflecting beams.

<u>~~~~~~~~~~~~~~~~~~~~~</u>

Hope it helps!

Have a good day!

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A material that transmits nearly all the light in a ray because it offers little resistance to the light is
iragen [17]

A material that transmits nearly all the light that strikes it
is described as being "transparent", but that has nothing
to do with "resistance to the light", whatever that is.

Even the blackest, densest material, like wood, foil, or concrete,
has no "resistance" to light.  It simply absorbs light that enters it,
so some or all of the light that went in one side never made it to
the other side.

Transparent material absorbs very little, so almost all of the
light that goes in one side comes out the other side.

8 0
4 years ago
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What is the difference between center of mass and center of gravity?
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Answer:

Centre of mass is the point at which the distribution of mass is equal in all directions, and does not depend on gravitational field. Centre of gravity is the point at which the distribution of weight is equal in all directions, and does depend on gravitational field.

5 0
3 years ago
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A crate with a mass of m = 450 kg rests on the horizontal deck of a ship. The coefficient of static friction between the crate a
Zielflug [23.3K]

Answer:F_{v} =\mu_{k} mg

Magnitude of the force is 2601.9 N

Explanation:

m = 450 kg

coefficient of static friction μs = 0.73

coefficient of kinetic friction is μk = 0.59

The force required to  start crate moving is F_{s} =\mu_{s} mg.

but once crate starts moving the force of friction is reduced  F_{v} =\mu_{k} mg.

Hence  to keep crate moving at constant velocity we have to reduce the  force pushing crate ie F_{v} =\mu_{k} mg.

Then the above pushing force will equal the frictional force due to kinetic friction and constant velocity is possible as  forces are balanced.

Magnitude of the force

F_{v} =\mu_{k} mg\\F_{v} =0.59 \times 450 \times 9.8\\F_{v} =2601.9  N

4 0
4 years ago
Which element has 24 protons
TEA [102]

<u>Answer:</u>

<u>Answer:Chromium</u>

Explanation:

Chromium is the first element in the sixth column of the periodic table. It is classified as a transition metal. Chromium atoms have 24 electrons and 24 protons with the most abundant isotope having 28 neutrons.

4 0
3 years ago
The coefficent of static friction between the floor of a truck and a box resting on it is 0.38. The truck is traveling at 87.9 k
nekit [7.7K]

Answer:

d=79.9m

Explanation:

From the question we are told that:

coefficient of static friction \mu=0.38

Velocity v=87.9=>24.41667m/s

Generally the equation for Conservation of energy is mathematically given by

 \mu*mgd = 0.5 m v^2

 d=\frac{0.5*24.42^2}{0.38*9.8}

 d=79.9m

3 0
3 years ago
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