A particle falling vertically from a height hits a plane surface in...

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A particle falling vertically from a height hits a plane surface inclined to horizontal at an angle \( \theta \) with speed \( v_{o} \) and rebounds elastically . Find the distance along the plane where if will hit second time.
(Hint: (i) After rebound, particle still has speed \( V_{o} \) to start.
(ii) Work out angle particle speed has with horizontal after it rebounds.
(iii) Rest is similar to if particle is projected up the incline.)
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