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Q. A PARTICLE IS DROPPED FROM A HEIGHT OF 20m ONTO A FIXED WEDGE OF INCLINATION 30 0 . THE TIME GAP BETWEEN FIRST TWO SUCCESSIVE COLLISIONS IS( ASSUME THAT COLLISION IS PERFETCLY ELASTIC)- 2 sec 2(3) 1/2 sec 4 sec 4(3) ½ sec

Q. A PARTICLE IS DROPPED FROM A HEIGHT OF 20m ONTO A FIXED WEDGE OF INCLINATION 300. THE TIME GAP BETWEEN FIRST TWO SUCCESSIVE COLLISIONS IS( ASSUME THAT COLLISION IS PERFETCLY ELASTIC)-
  1. 2 sec
  2. 2(3)1/2 sec
  3. 4 sec
  4. 4(3)½ sec
 

Grade:Select Grade

1 Answers

Sumit Majumdar IIT Delhi
askIITians Faculty 137 Points
7 years ago
Dear student,
Can you please put up the figure for the question. The particle would continue to move in the downward direction at each collision as the collision wont be perpendicular on the wedge. So, we need to know the length of the wedge and the depth of the lowest point of the wedge with respect to the point from where the particle has been dropped.
Regards
Sumit

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