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Usimov [2.4K]
3 years ago
11

What happens inside an empty tank when it is filled with air?

Physics
2 answers:
worty [1.4K]3 years ago
8 0

Answer:

pressure is created at the wall's surface

Explanation:

When air is filled in an empty tank, air molecules try to spread through out the tank. The gas molecules  has random and continues motion due to which they possess kinetic energy. Due to this energy air molecules continuously strike with the wall of the tank and apply force  on the wall of  tank due to which reaction force is applied on air  molecule In this way pressure is created on tanker's walls and it  becomes hot.

kobusy [5.1K]3 years ago
6 0

Answer:

An Empty Tank Is Slowly Filled With Air. Water Is Then Added To The Tank, Decreasing The Volume For The Air In The Tank. The Temperature Remains Constant

Explanation:

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13. A step up transformer has 250 turns on its primary and 500 turns on it secondary. When the primary is connected to a 200 V a
Lisa [10]

Answer:

The output power is 2 kW

Explanation:

It is given that,

Number of turns in primary coil, N_p=250

Number of turns in secondary coil, N_s=500

Voltage of primary coil, V_p=200\ V

Current drawn from secondary coil, I_s=5\ A

We need to find the power output. It is equal to the product of voltage and current. Firstly, we will find the voltage of secondary coil as :

\dfrac{N_p}{N_s}=\dfrac{V_p}{V_s}

\dfrac{250}{500}=\dfrac{200}{V_s}

V_s=400\ V

So, the power output is :

P_s=V_s\times I_s

P_s=400\ V\times 5\ A

P_s=2000\ watts

or

P_s=2\ kW

So, the output power is 2 kW. Hence, this is the required solution.

8 0
3 years ago
In this problem, we want to represent the relationship between the input of a system, x, and its output, y, using a polynomial.
alexandr402 [8]

Answer:

clc

clear all

close all

format long

A=load('xyg1.mat');

x=A(:,1);

y=A(:,2);

[z,N,R2]=polyfitsystem(x,y,0.95)

function [z,N,R2]=polyfitsystem(x,y,R2)

for N=1:20

z=polyfit(x,y,N);

SSR=sum((y-polyval(z,x)).^2);

SST=sum((y-mean(y)).^2);

s=1-SSR/SST;

if(s>=R2)

R2=s;

break;

end

end

xx=linspace(min(x),max(x));

plot(x,y,'o',xx,polyval(z,x));

xlabel('x');

ylabel('y(x)');

title('Plot of y vs x');

end

Explanation:

5 0
3 years ago
"the velocity of the block is constant, so the net force acting on the block must be zero. Thus the normal force equals the weig
RSB [31]

Answer:

Explanation:

"the velocity of the block is constant, so the net force acting on the block must be zero. Thus the normal force equals the weight and the force of friction equals the applied force" The only thing which is wrongly stated here is that the normal force equals the weight. Normal force is not always equal to weight. If external force is applied at some angle with the horizon , normal force may be more or less than weight. Even in case of an object placed on an  inclined plane , weight is not equal to normal force .

All other parts of the statement are correct.

6 0
3 years ago
What are the primary functions of
ycow [4]

C.Provide Structural Support.

hope this helps.

7 0
3 years ago
Read 2 more answers
Genes are located within a cell’s BLANK. Each gene controls the production of one or more specific BLANK. Changes in the structu
Thepotemich [5.8K]

Answer:

Genes are located in the CHROMOSOME

Explanation:

chromosome is were genes are located

7 0
3 years ago
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