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Alja [10]
3 years ago
8

What is the chemical formula for dinitrogen tetroxide?

Physics
1 answer:
11Alexandr11 [23.1K]3 years ago
8 0
The correct answer is C.N204
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Answer:

Synthesis Reaction

Explanation:

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Numbers on the left of zero are negative. Number lines go from smallest to greatest.
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A coil of wire containing N turns is in an external magnetic field that is perpendicular to the plane of the coil and it steadil
krok68 [10]

Answer:

The Resultant Induced Emf in coil is 4∈.

Explanation:

Given that,

A coil of wire containing having N turns in an External magnetic Field that is perpendicular to the plane of the coil which is steadily changing. An Emf (∈) is induced in the coil.

To find :-

find the induced Emf if rate of change of the magnetic field and the number of turns in the coil are Doubled (but nothing else changes).

So,

   Emf induced in the coil represented by formula

                          ∈  =   -N\frac{d\phi}{dt}                                  ...................(1)

                                          Where:

                                                    .   \phi = BAcos\theta     { B is magnetic field }

                                                                                 {A is cross-sectional area}

                                                    .  N = No. of turns in coil.

                                                    .  \frac{d\phi}{dt} = Rate change of induced Emf.

Here,

Considering the case :-

                                    N1 = 2N  &      \frac{d\phi1}{dt} = 2\frac{d\phi}{dt}

Putting these value in the equation (1) and finding the  new emf induced (∈1)

                           

                                      ∈1 =-N1\times\frac{d\phi1}{dt}

                                      ∈1 =-2N\times2\frac{d\phi}{dt}

                                       ∈1 =4 [-N\times\frac{d\phi}{dt}]

                                        ∈1 = 4∈             ...............{from Equation (1)}      

Hence,

The Resultant Induced Emf in coil is 4∈.        

                           

8 0
4 years ago
A uniform solid sphere rolls down an incline without slipping. if the linear acceleration of the center of mass of the sphere is
Ulleksa [173]
A uniform solid sphere rolls down an incline without slipping<span>. </span>If the linear acceleration of the center of mass of the sphere is 0.19g<span>, </span>then what is the angle the incline makes with the horizontal<span>?</span>
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A freight train rolls along a track with considerable momentum. If it rolls at the same speed but has twice as much mass, its mo
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Answer:

doubled

Explanation:

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<u>Step 2</u>. if the mass is now twice and speed is same

p = (2*m)v -----equation 2

solving equation 1 and 2 together,

p = mv = 2mv

p = 2

Therefore, its momentum is doubled

7 0
3 years ago
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