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D. A gas when vinegar and baking soda are mixed
EXTRA INFO: An exmaple of phyical change is sawing a piece of wood
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Answer:
Displacement (i.e. change in its final position)
Explanation:
In classical mechanics work is described as the displacement of the body in the direction of the applied force.
<u>Mathematically given as:</u>
where:
F = force on the body
s = displacement of the body
θ = angle between the force and direction of displacement
While force, acceleration, velocity can also be the answer for the blank space but the displacement effect is visible during and even after the work has been done, so one can notice the change in position of the object even when the person has not seen the process but just the initial condition of the body.
Batteries are connected when the terminal voltage across each of them was measured because batteries have an internal resistance that is in series with the load.
<h3>What is a chemical reaction?</h3>
A chemical reaction is a process in which one or more substances, also known as reactants are converted to one or more different substances, known as products. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products
In batteries, the chemical energy is converted into electrical energy with help of a chemical reaction happening inside the battery.
Batteries and other power sources have an internal resistance that runs parallel to the load. The overall resistance of the path of the electron flow inside the source constitutes the internal resistance, which is not technically a resistor. Usually, internal resistance is extremely minimal.
Thus, considering the internal resistance of the batteries, the terminal voltage across each of them was measured.
Learn more about chemical reactions here
brainly.com/question/14976473
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