11th Class Physics Motion in a Straight Line / सरल रेखा में गति Question Bank Motion in a straight line conceptual problems

  • question_answer
    Is it possible that the brakes of a car are so perfect that the car stops instantaneously. If not, why?

    Answer:

                    No, it is not possible. In order to make velocity zero in an infinitesimally small interval of time, the car needs an infinite declaration which is not possible.


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