A 20 g bullet passes through a plate of mass 1 kg and finally comes to rest inside another plate of mass 2980 g. It makes the plates move from rest to same velocity. The percentage loss in velocity of bullet between the plate is
Text Solution
Verified by ExpertsThe correct answer is:
D
Using conservation of momentum
0.02 u = 0.02 v +1V 1 …….. (i)
(where V 1 be the velocity of plate of 1 kg)
and 0.02 v = (2.98 + 0.02) V 1 ………. (ii)
( Q plate of 3 kg has also same velocity i.e., V 1 )
or V 1 = 0.02 
Substituting
∴ ∴ 0.02 v = 0.02 + 0.02 
or v = 
or v = 
% age loss in velocity = 
= 
= 25%
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
Two bodies of masses and have equal kinetic energies. If and are their respective momentum, the…
Work done in raising a box depends on
A light and a heavy body have equal momenta. Which one has greater K.E
A body at rest may have
The kinetic energy possessed by a body of mass m moving with a velocity v is equal to , provided
If the momentum of a body is increased n times, its kinetic energy increases