Heya!!
For calculate aceleration, let's applicate second law of Newton:
⇒ Being:
→ F = Force = 12 N
→ m = Mass = 3 kg
→ a = aceleration = ?
Lets replace according formula and leave the "a" alone:
Result:
The aceleration of the object is of <u>4 m/s²</u>
Answer:
Hey
The rope isn't moving because each boy is pulling with the same force on opposite ends. That being said the bot pulling force is balanced.
Inside the rope are molecules connecting the whole thing together. The force they exert on each other must be equal because they aren't moving but are still exerting forces
Answer:
The pressure is 
Explanation:
From the question we are told that
The volume of the container is 
The mass of 
is 
The root-mean-square velocity is 
The root -mean square velocity is mathematically represented as
Now the ideal gas law is mathematically represented as
=> 
Where n is the number of moles which is mathematically represented as
Where M is the molar mass of
So
=> 
=> 
=> 
substituting values
=> 
=>
Answer:
Only B is correct.
Explanation:
Electrolysis and galvanic activity are two different ways of the passage of electricity. Electrolysis occurs at a spontaneous reaction, and galvanic activity needs an external force to happen.
For example, a cell works by a redox reaction, in which a material reduces (gain electrons), and the other oxides (loses electrons). As higher is the standard reduction potential of a material, as easy is to it to reduces. Thus, if a cell works with the reduction happens with the material with low standard reduction potential, then it works by galvanic activity.
When electronics are connected to the house system, it's necessary to do the ground connection, which will allow the electrons that are dissipated to go to the earth. So, it is done incorrectly, the electrons flow to the equipment, which they natural path. So, the electrolysis can occur with a poor ground connection.
