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vlada-n [284]
3 years ago
13

What is meant by the statement '' density of water is 1000 kilograms per cubic metre ''?

Physics
1 answer:
LenKa [72]3 years ago
4 0
It means that if you had a cubic meter of water it would weigh 1000 kilograms
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A fossil form when an organism buried in sediment dissolves leaving a hollow area
IceJOKER [234]

Answer:

A Mold

Explanation:

A mold forms when hard parts of an organism are buried in sediment; the hard parts completely dissolve over time, leaving behind a hollow area. A cast forms as a result of a mold when minerals and sediment fill in the impression.

3 0
3 years ago
Only 35 % of the intensity of a polarized light wave passes through a polarizing filter. What is the angle between the electric
Nana76 [90]

Answer:

The angle between the electric field and the axis of the filter is 54⁰

Explanation:

Apply the equation for intensity of light through a polarizer.

I = I_oCos^2 \theta

where;

I is the intensity of the transmitted light

I₀ is the intensity of the incident light

θ is the incident angle

If only 35 % of the intensity of a polarized light wave passes through a polarizing filter, then the ratio of the intensity of the transmitted light to that of the intensity of the incident light is given by;

\frac{I}{I_o}  = Cos^2 \theta\\\\\frac{35}{100} =  Cos^2 \theta\\\\Cos^2 \theta = 0.35\\\\Cos\theta = \sqrt{0.35} \\\\Cos\theta = 0.5916\\\\\theta = Cos^{-1}(0.5916)\\\\\theta  = 54 ^0

Therefore, the angle between the electric field and the axis of the filter is 54⁰

3 0
2 years ago
According to structural functionalists, what is government like in a mass society?
kvv77 [185]
The answer here is <span>The government is expansive</span>
8 0
3 years ago
Read 2 more answers
a point charge q1 is held stationary at the origin. a second charge q2 is placed at point a, and the electric potential energy o
Gnoma [55]

The electric potential energy of the pair of charges when the second charge is at point b is U at b = +7.3×10⁻⁸J.

Electric potential is the amount of work done in moving point charge from infinity to aspecific point.

Calculation of the electric potential energy:

Here the particle should be moved from the point at the time when the potential energy should be U a

The U b should be the change in the potential energy

W is work done.

(W at a )-(W at b)  = U a - U b

U b = U a - (W at a )+(W at b)

So,

= 5.4 × 10⁻⁸J - ( -1.9×10⁻⁸ J)

= +7.3×10⁻⁸J.

Learn more about electric potential here:

brainly.com/question/24284560

#SPJ4

8 0
1 year ago
What type of circuit is illustrated? PLEASE HELPPPP
Papessa [141]
This is an open series circuit
3 0
3 years ago
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