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

  • question_answer
      A car falls off a ledge and drops to the ground in 0.5. Find the speed on striking the ground. (i) its average speed during 0.5 s. (ii) height of ledge from the ground. (g = 10m/s2)

    Answer:

                      Initial velocity,  u = 0,  time  taken,  r=0.5 s, acceleration due to gravity, (i)               (1/2) (ii)                    (1/2) (iii)                          (1)


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