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Amanda [17]
3 years ago
15

Microwelds are formed where_______

Physics
2 answers:
Shtirlitz [24]3 years ago
5 0
The correct answer is B
maria [59]3 years ago
4 0
A.theres no lubrication between the surfaces.
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Will xenon react with nitrogen and why
Andreyy89
<span>No, xenon wont react with nitrogen.

This is because xenon is a noble gas and noble gases on</span>ly react with other elements under very unusual circumstances.<span>

I hope this has helped you.</span>
3 0
3 years ago
Suppose that the inverse market demand for silicone replacement tips for Sony earbud headphones is p ​= pN ​- 0.1Q, where p is t
lbvjy [14]

Complete Question

The complete question is shown on the first uploaded image

Answer:

a

   The effect of a change in the price of a new pair of headphones on the equilibrium price of replacement tips​ ( ​dp/dpN​) is

                   \frac{\delta p}{\delta p_N} =1

b

 The value of Q and p at equilibruim is

          Q_e = 250    and    p_d = 5

The consumer surplus is  C= 3125

The producer surplus  is   P = 375

Explanation:

      From the question we are told that

           The inverse market demand is  p_d = p_N -0.1Q

                The inverse supply function is     p_s = 2+ 0.012Q

a

The effect of change in the price  is mathematically given as

                  \frac{\delta p}{\delta p_N}

Now differntiating the inverse market demand function with respect to p_N

We get that  

                   \frac{\delta p}{\delta p_N} =1

b

   We are told that p_N =$30

        Therefore the inverse market demand becomes

                             p_d = 30 -0.1Q

At  equilibrium

                  p_d = p_s

So we have

               30 -0.1Q_e = 2+ 0.012Q_e

Where Q_e is the quantity at equilibrium

                    28 = 0.112Q_e

                     Q_e = \frac{28}{0.112}

                    Q_e = 250

Substituting the value of  Q into the equation for the inverse market demand function

                p_d = 30 - 0.1 (250 )

                    p_d = 5

Looking at the equation for p_d \ and \ p_s we see that

     For  Q =  0

             p_d = 30

             p_s =2

 And  for Q =  250

                 p_d = 5

                 p_s = 5

Hence the consumer surplus is mathematically evaluated as

           C = \frac{1}{2} * Q_e * (30 -5)

Substituting value

        C = \frac{1}{2} * 250 (30-5)

           C= 3125

And

  The  producer surplus is mathematically evaluated as

                    P = \frac{1}{2} *250 * (5-2)

                    P = 375

     

         

           

                     

4 0
3 years ago
The tendency of an object to resist a change in motion is called ___________________
Levart [38]


The tendency of an object to resist a change in motion is called inertia.


5 0
3 years ago
Read 2 more answers
20 point question B)
frez [133]

Description:

As we know that the sun offers what most of the world has to go examples could be energy, air. As we also know that heating causes liquid and water that is frozen to evaporate to water vapour gas. Meaning the sun provides the energy necessary for evaporation.

Answer:  B

Please mark brainliest

<em><u>Hope this helps.</u></em>

4 0
3 years ago
Read 2 more answers
Consider a rigid body that rotates but whose center of mass is at rest. True or false: the rotational kinetic energy of the enti
Anit [1.1K]

Answer:

True

Explanation:

Let us consider a rigid body which contains tiny particles of mass dm each. and the angular velocity ω for each of the particle is same and teh radius of rotation is r.

the linear velocity, v = r ω

The total kinetic energy is given by

K=\int \frac{1}{2}dm v^{2}

K=\int \frac{1}{2}dm r^{2}\omega^{2}

K=\frac{1}{2}\times \omega^{2}\int dm r^{2}

K = 1/2 Iω^2

where I is the moment of inertia.

6 0
3 years ago
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