9th Class Science Sample Paper Sample Paper - 4 Term - 1

  • question_answer
      Starting from a stationary position, Anil paddles his bicycle to attain a velocity of  in 25 s. Then, heapplies brakes such that he again comes to rest after next 50 s. Calculate the acceleration of the bicycle in both cases. Also find the total distance covered by Anil.

    Answer:

      In first case, initial velocity  time  and final velocity,                  acceleration                 and distance covered in time is                                                                                                                                                                                                                                                                 (1)                 After applying the brakes in second case,                 Initial velocity,                 Time,                               Final velocity,                     acceleration,                                 and distance covered in time  is                                                                                                                                                                                                       (1)                 So, total distance covered by Anil                


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