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a body falls freely from a point at height "h" on the inclined plane of inclination "a" at point A on top of plane. After collision with incline it rebounds elastically off the plane . then it strikes the incline at: (a) t=sq.root(8h/g) after it strikes at A (b) t=sq.root(2h/g) after it strikes at A (c) a distance 4hsina from A along incline (d) a distance 8hsina from A along incline one/more than one may be correct. plz. show steps


 

a body falls freely from a point at  height  "h"  on the inclined plane of inclination "a" at point A on top of plane.

After collision with incline it rebounds elastically off the plane .

then it strikes the incline at:

(a) t=sq.root(8h/g) after it strikes at A 

(b) t=sq.root(2h/g) after it strikes at A

(c) a distance 4hsina from A along incline

(d) a distance 8hsina from A along incline

 one/more than one may be correct.

plz. show steps

                                            

          


Grade:9

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