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Rudiy27
3 years ago
12

Please help me!

Physics
1 answer:
olga_2 [115]3 years ago
6 0
Science is the answer

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What you wrap sandwich in periodic pun
Degger [83]

Answer:

Aluminum (Al)

Explanation:

1. You wrap a sandwich in aluminum foil

2. Aluminum is on the periodic table.

4 0
4 years ago
Use Newton’s method to solve the equation0 =12+14x2−xsin(x)−12cos(2x),withx0=π2.Iterate using Newton’s method until an accuracy
Charra [1.4K]

Answer:

given function is

f(x)=12+14x^2-xsin(x)-12cos(2x)

x_{0} =\pi ^2

formula for newton's method is

x_{n+1} =x_{n} -f(x_{n})/f'(x_{n} )

so derivative of function is

f'(x)=28x-sin(x)-xcos(x)+24sin(2x)

now put values and solve

or you can also use MATLAB code to solve

i.e

function p= newton(x)

e=0.001;

for i=1:100

    if abs(d(x))>e

       if abs(k(x))>0

  xm=x-(k(x)/d(x));

  x=xm;

       else

       end

        break;

   end

end

    disp(x)

 disp(k(x))

return;

   

7 0
3 years ago
What type of volcano only ever has quiet eruptions?
77julia77 [94]
In contrast to quiet eruptions, other volcanoes erupt explosively. Mount St. Helens, for instance, spewed lava high in the air when it erupted. Two things control the type of eruption: how much water vapor and other gasses are in the magma and whether the magma is basaltic or granitic. Basaltic magma tends to ooze out gently in a thin, quiet eruption, while granitic magma is thicker and becomes trapped inside the volcano's vents. Once the pressure grows enough to force out the magma, it explodes.

Thank for joining brainly

Have a good day

3 0
3 years ago
A dielectric-filled parallel-plate capacitor has plate area A = 30.0 cm2 , plate separation d = 9.00 mm and dielectric constant
PIT_PIT [208]

Answer:

9.96\cdot 10^{-10}J

Explanation:

The capacitance of the parallel-plate capacitor is given by

C=\epsilon_0 k \frac{A}{d}

where

ϵ0 = 8.85x10-12 C2/N.m2 is the vacuum permittivity

k = 3.00 is the dielectric constant

A=30.0 cm^2 = 30.0\cdot 10^{-4}m^2 is the area of the plates

d = 9.00 mm = 0.009 m is the separation between the plates

Substituting,

C=(8.85\cdot 10^{-12}F/m)(3.00 ) \frac{30.0\cdot 10^{-4} m^2}{0.009 m}=8.85\cdot 10^{-12} F

Now we can calculate the energy of the capacitor, given by:

U=\frac{1}{2}CV^2

where

C is the capacitance

V = 15.0 V is the potential difference

Substituting,

U=\frac{1}{2}(8.85\cdot 10^{-12}F)(15.0 V)^2=9.96\cdot 10^{-10}J

4 0
3 years ago
Si tu velocidad al caminar es 0,3 m/s. Determina el tiempo que demorarias en llegar al sol en horas (REALIZAR TRANSFORMACIÓN DE
Contact [7]

Answer:

138,516,546.9 horas.

Explanation:

Tenemos que usar la ecuación:

Velocidad = distancia/tiempo

Acá tenemos:

Velocidad = 0.3m/s

distancia = 149597870700 m

y queremos resolver la ecuación para el tiempo:

0.3m/s =  149597870700m/tiempo.

tiempo =  149597870700m/(0.3m/s) = 498,659,569,000 s

y sabemos que una hora tiene 3600 segundos, entonces si queremos transformar de segundos a horas tenemos:

498,659,569,000 s = (498,659,569,000/3600) h = 138,516,546.9 horas.

6 0
3 years ago
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