12 V is the f.e.m.

of the battery. The potential difference that is applied to the motor is actually the fem minus the voltage drop on the internal resistance r:

this is equal to the voltage drop on the resistance of the motor R:

so we can write:

and using

and

we can find the current I:
The answer to the question is:
75m/s
Just do 25*3
Answer:
the answer to your question is 2.5
Explanation: