Last Updated On [03-11-2023]
In an elastic collision between two particles
a)
The total kinetic energy of the system is always conserved
b)
The kinetic energy of the system before collision is equal to the kinetic energy of the system after collision
c)
The linear momentum of the system is conserved
d)
The mechanical energy of the system before collision is equal to the mechanical energy of the system after collision
In an elastic collision between two particles
a)
The total kinetic energy of the system is always conserved
b)
The kinetic energy of the system before collision is equal to the kinetic energy of the system after collision
c)
The linear momentum of the system is conserved
d)
The mechanical energy of the system before collision is equal to the mechanical energy of the system after collision
Question ID - 100593 :-
In an elastic collision between two particles
a)
The total kinetic energy of the system is always conserved
b)
The kinetic energy of the system before collision is equal to the kinetic energy of the system after collision
c)
The linear momentum of the system is conserved
d)
The mechanical energy of the system before collision is equal to the mechanical energy of the system after collision
|
In an elastic collision between two particles |
|
|
a) |
The total kinetic energy of the system is always conserved |
|
b) |
The kinetic energy of the system before collision is equal to the kinetic energy of the system after collision |
|
c) |
The linear momentum of the system is conserved |
|
d) |
The mechanical energy of the system before collision is equal to the mechanical energy of the system after collision |
|
(b,c,d) In an elastic collision, linear momentum of the system is always conserved i.e., in all the three stages of collision. But the kinetic energy of the system is not always conserved. It is conserved only before and after the collision. During collision it gets converted into potential energy |
Next Question :
The disc of radius 
is confined to roll without slipping at 
and 
. If the plates have the velocities shown, then
.png)
|
a) |
Angular velocity of the disc is 2 |
b) |
Linear velocity, |
|
c) |
Angular velocity of the disc |
d) |
None of these |
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