Sarthaks Test
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A particle falling vertically from a height hits a plane surface inclined to horizontal at an angle θ with speed vo and rebounds elastically (Fig 4.7). Find the distance along the plane where if will hit second time.

(Hint: (i) After rebound, particle still has speed Vo 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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1 Answer

+1 vote
by (13.6k points)

(Avo2/g) sinθ

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