A uniform smooth rod (mass m and length 1) placed on a smooth horizontal floor is hit by a particle (mass m) moving on the floor, at a distance 
from one end elastically (e = 1). The distance travelled by the centre of the rod after the collision, when it has completed three revolutions, will be
Text Solution
Verified by ExpertsA
Applying conservation of linear momentum,
= mv' + mV
v = v' + V ........(i)
Applying conservation of angular momentum about the point of collision
.......... (ii)
for a perfectly elastic collision e = 1
..........(iii)
Angle rotated by the rod 
Hence, distance travelled by the centre of the rod is
s = Vt
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems