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antoniya [11.8K]
3 years ago
7

HELP PLEASE!!!!

Physics
2 answers:
Archy [21]3 years ago
6 0
<span>Suppose you mixed two chemicals in the lab until you could not tell the two apart. After some time passed, a white powder formed which would not dissolve, and settled on the bottom. The mixture was first homogeneous then heterogeneous. </span>
Leokris [45]3 years ago
5 0
The answer is C. Homogeneous, heterogeneous

Since you could not tell the two apart we can easily determine that it was at a homogeneous state, once we could determine that there is a different substance visible, we can determine that it is in fact heterogeneous
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Write a program that calculates the average of n integers. the program should prompt the user to enter the value for n and then
ikadub [295]

#include<studio.h>

int main( )

{

int n;

int a,b,c,d,x,y;

int avarage;

printf("enter value of n:\n");

scanf("%d",&n);

printf("enter value of a:\n,b:\n,c:\n,d:\n,x:\n,y:\n);

scan f("%d\%d\n%d\n%d\n%d\n%d\n",&a,b,c,d,x,y);

sum=(a+b+c+d+x+y);

avarage=(sum/n);

print f("%d",avarage);

if

{

n=positive interger

}

else

{

printf ("n must be positive");

}

return 0;

}

8 0
3 years ago
You want to create a model that conducts electricity. Which material should you use?
OlgaM077 [116]

Answer:

D. Copper

Explanation:

Copper has the best electrical conductivity of any metal, except silver. A good electrical conductivity is the same as a small electrical resistance.

Helped By the ONE and ONLY #QUEEN aka #DRIPPQUEENMO!!

HOPE THIS HELPED!!

8 0
3 years ago
Read 2 more answers
A car has a mass of 1.00x10 to the 3rd power kilograms, it has an acceleration of 4.5 meters/seconds, what is the net force on t
AleksAgata [21]

Explanation:

Net force on the car= mass of the car × acceleration

F=1×10^3×4.5

=4.5×10^3 N

3 0
3 years ago
.
Montano1993 [528]

Commercial airliners encounter very little turbulence above 25,000 feet because the air is so thin at altitudes above 25,000 feet that turbulence has much less effect. That is option A.

<h3>What is turbulence?</h3>

A turbulence is a sudden disturbance that an airline encounters when it hits a strong wind current that can push or pull the plane.

The depth at which the airline flies determines whether the turbulence will have little or more effects on it.

At altitudes above 25,000 feet the air is so thin and light than below 25,000 feet therefore, the airline will encounter little turbulence effect.

Learn more about turbulence here:

brainly.com/question/20389242

#SPJ1

5 0
2 years ago
Please please help i need to finish this test
salantis [7]

Answer:

-4.4 m/s

Explanation:

Since the ball is thrown upward, we can ignore the horizontal velocity. This means that the vertical velocity is 25 m/s. The vertical acceleration is -9.8 m/s^2 (g). This means that after 3 seconds, the velocity would've decreased by 9.8 m/s^2 * 3 s. This is 29.4 m/s.

This should be subtracted from the initial velocity:

25 m/s - 29.4 m/s = -4.4 m/s

Hope this helps!

5 0
3 years ago
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