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strojnjashka [21]
3 years ago
7

Select the correct answer

Physics
2 answers:
devlian [24]3 years ago
7 0

Explanation:

please send full question....

Leokris [45]3 years ago
6 0
Send the full question and maybe we could help :)
You might be interested in
Light from a laser (lambda= 406.192 nm) is used to illuminate two narrow slits. The interference pattern is observed on a screen
dsp73

Answer:

The spacing between the slits is    d = 0.00145m                

Explanation:

From the question we are told that

  The wavelength of the light is \lambda = 406.192nm = 406.192*10^{-9} m

   The distance of the slit from the screen is D = 5.937 \ m

    The number of bright fringe is n = 24

     The  length the fringes span is   L = 39.835 mm = \frac{39.835 }{1000} = 0.0398 m

The fringe width (i.e the distance of between two successive bright or dark fringe) is mathematically represented as

             \beta  = \frac{\lambda D}{d}

Where d is  the distance between the  slits

            \beta is the fringe width which can also be evaluated as

                         \beta = \frac{L}{n}

Substituting values

                        \beta = \frac{0.0398}{24}

                          \beta = 1.660 *10^{-3}

Making d the subject of formula in the above equation

                d = \frac{\lambda D}{\beta }

Substituting values

                d = \frac{406.192 *10^{-9} * 5.937 }{1.660 *10^{-3}}

                    d = 0.00145m                

           

4 0
4 years ago
Suppose an automobile has 2000 J of kinetic energy. When it moves at twice the speed, what will be its kinetic energy?
Varvara68 [4.7K]

The answer should be 8000 J

8 0
4 years ago
Which philosopher caused the “death” of the field of chemistry for 2000 years? *
mylen [45]

Answer:

Aristotle

Explanation:

In ancient Greece, the popular

philosopher Aristotle declared

that all matter was made of only

four elements: fire, air, water

and earth. He also believed that

matter had just four properties:

hot, cold, dry and wet.

6 0
3 years ago
Grades depend on doing the right things. A person should earn good grades for reading instructions, meeting deadlines, turning i
Leto [7]

maybe yes/maybe No.

Explanation:

cause if the person need a good grades he will going to grab all that he need to grab as a student and studies her lesson.

cause all person has their own reason why he did not do her activity or project because we have a different situations and life..

5 0
3 years ago
What is the momentum of a vehicle that has a mass of 1500kg and a velocity of 15m/s? (don't forget the unit is kg*m/s, and needs
alex41 [277]

Answer:

<h2>22500 kg.m/s</h2>

Explanation:

The momentum of an object can be found by using the formula

momentum = mass × velocity

From the question we have

momentum = 1500 × 15

We have the final answer as

<h3>22500 kg.m/s</h3>

Hope this helps you

4 0
3 years ago
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