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9th Class Science Gravitation and Floatation Question Bank 9th CBSE Science Gravitation

  • question_answer
      A stone dropped from a tree takes 2 s to reach the ground. Find its velocity on striking the ground.

    Answer:

                      Given, From equation, v= u +at = 0 + 9.8 x 2 = 19.6 m/s                                                                                 (1)


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