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an object was launched with the velocity of 20 m/s at an angle 45 degree to the vertical . at the top of its trajectory the object broke into two equal piece fell vertically downward .where would the other piece fall?(g=10m/s^2)

  • physics -

    it i'll be 60m

    as there is no external force acting except gravitational force ,do its path should be at the range of parabolic path


    here u=20,theta=45,g=10

    thus R=20^2sin45/10=4

    conservation of momentum m1d1+m2d2=md



    the other piece will fall 60m far from origin

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