9th Class Science Time and Motion Question Bank 9th CBSE Science Motion

  • question_answer
    Two stones are thrown vertically upwards simultaneously with their initial velocities  and  respectively. Prove that the heights reached by them would be in the ratio  (Assume upward acceleration is -g and downward acceleration is +g).                                

    Answer:

                    According to the question,
      Stone 1 Stone 2
    Initial velocity
    Acceleration -g -g
    Final velocity
    Height
    or or (2x2)        


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