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4 years ago

What is the capital of sweden?

Physics

2 answers:

Elina [12.6K]4 years ago

6 0

Answer:

Stockholm

Explanation:

Burka [1]4 years ago

4 0

Stockholm

Hope this helps! ;)

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Two slits are separated by 0.380 mm. A beam of 550-nm light strikes the slits, producing an interference pattern. Determine the

Nezavi [6.7K]

Answer:

total maximum on screen = 1381

Explanation:

In the interference pattern we know that path difference for the position of maximum on the screen is given by

$\Delta L = d sin\theta$

here we know that

$\theta$ = angular position of maximum on screen

d = distance between two slits

$\Delta L = (0.380 mm)sin\theta$

here we know that for all maximum positions

$\Delta L = N\lambda$

now plug in all values

$(0.380 \times 10^{-3})sin\theta = N(550 \times 10^{-9})$

here we have

$sin\theta = 1.45 \times 10^{-3}N$

now we know that

$sin\theta < 1$

$1.45 \times 10^{-3} N < 1$

$N < 690.9$

so total number of maximum on screen is

$N = 690 + 690 + 1 = 1381$

3 0

4 years ago

a pulley of radius 0.9m is used to lift a bucket from the well. if it took 3.6 rotations for the pulley to take water out of the

Alex777 [14]

Answer:

h = 20.36[m]

Explanation:

To solve this problem we must calculate the perimeter (length of a circumference) of the circumference, which is denoted by the following equation:

L = 2*π*r

where:

r = radius = 0.9[m]

π = 3.1416

L = 2*(3.1416)*(0.9)

L = 5.654[m]

Now we know that the pulley or circumference had to rotate 3.6 times to get the water out of the well. In this way the depth of the well can be calculated by means of the following equation:

h = 3.6*L

h = 3.6*5.654

h = 20.36[m]

6 0

3 years ago

One particle has mass m and a second particle has mass 2m. The second particle is moving with speed v and the first with speed 2

choli [55]

Answer:

Explanation:

The formula for kinetic energy to be used here is 1/2mv².

If the first particle is "particle a" and the second particle is "particle n"; there kinetic energies (K.E) will be

K.Eₐ = 1/2.m2v² = mv²

K.Eₙ = 1/2.2mv² = mv²

From the above, <u>it can be said that there kinetic energies are the same</u>.

NOTE that the m and v used in the question means mass and velocity respectively.

3 0

3 years ago

Halla el mínimo común múltiplo de 8

Elis [28]

Answer:

türk 1 kişi bile yokmu?

Explanation:

???

5 0

3 years ago

Colton the Insulator of electricty.

maria [59]

Answer:

lemon juice , vinegar

Explanation:

Chemical Effects of Electric Current

Two substances other than water which conducts electricity are: (i) Lemon juice. (ii) Vinegar.

3 0

3 years ago