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8_murik_8 [283]
3 years ago
8

What is the tendency of a material to oppose the flow of charge?

Physics
1 answer:
balu736 [363]3 years ago
8 0

The tendency of a material to oppose the flow of charge is called: B) resistance

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An electric bell is placed inside a transparent glass jar. The bell can be turned on and off using a switch on the outside of th
Art [367]
The answer is :  We’ll see the bell move, but we won’t hear it ring.  This is    because light can travel through vacuum but sound cannot.  Sound waves are vibrations of particles in any media, so sound requires a medium to travel, and it cannot travel in a vacuum as there is no particles to vibrate.  
5 0
3 years ago
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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
A 40kg rock is perched atop a cliff that is 50 m high. What is it’s potential energy?
LekaFEV [45]
Potential energy, is energy due to its position.

Given: Mass m = 40 Kg;  Height h = 50 m

Required: Potential energy P.E = ?

Formula:  P.E = mgh   P.E = (40 Kg)(9.8 m/s²)(50 m)

                P.E = 19,600 J
4 0
4 years ago
An egg of mass 0.060 kg is dropped from the top of a building. Just before it reaches the ground, it has a total kinetic energy
3241004551 [841]

The velocity is 14 m/s

The parameters given on the question are

mass= 0.060 kg

kinetic energy= 5.9 joules

K.E= 1/2mv²

5.9= 1/2 × 0.060 × v²

5.9= 0.5 × 0.060v²

5.9= 003v²

v²= 5.9/0.03

v²= 196.66

v= √196.66

v= 14 m/s

Hence the velocity of the egg before it strikes the ground is 14 m/s

brainly.com/question/2084569?referrer=searchResults

3 0
3 years ago
A box contains about 5.54 1021 hydrogen
Aleks [24]

Answer:E=33.71\ J

Explanation:

Given

No of atoms of hydrogen N=5.54\times 10^{21}

Temperature of room T=21^{\circ}\approx 294\ K

Thermal energy of the atoms is given by

E=\frac{3}{2}NkT

where k=boltzmann constant

E=\frac{3}{2}\times 5.54\times 10^{21}\times 1.38\times 10^{-23}\times 294

E=33.71\ J

Hence the energy of the atoms is 33.71\ J

5 0
3 years ago
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