Last Updated On [03-11-2023]
Two beads 
and 
of masses 
and 
, respectively, are threaded on a smooth circular wire of radius 
fixed in a vertical plane. 
is stationary at the lowest point when 
is gently dislodged from rest at the highest point. 
collided with 
at the lowest point. The impulse given to 
due to collision is just great enough to carry it to the level of the centre of the circle while
is immediately brought to rest by the impact
.png)
|
Find the ratio |
|||||||
|
a) |
1 |
b) |
|
c) |
|
d) |
2 |
Question ID - 101215 :- Two beads and of masses and , respectively, are threaded on a smooth circular wire of radius fixed in a vertical plane. is stationary at the lowest point when is gently dislodged from rest at the highest point. collided with at the lowest point. The impulse given to due to collision is just great enough to carry it to the level of the centre of the circle while is immediately brought to rest by the impact
Find the ratio 
a)
1
b)
c)
d)
2
Two beads and of masses and , respectively, are threaded on a smooth circular wire of radius fixed in a vertical plane. is stationary at the lowest point when is gently dislodged from rest at the highest point. collided with at the lowest point. The impulse given to due to collision is just great enough to carry it to the level of the centre of the circle while is immediately brought to rest by the impact
|
Find the ratio |
|||||||
|
a) |
1 |
b) |
|
c) |
|
d) |
2 |
(c)
Just before collision, velocity of 
.png)
Just after collision, 
is brought to rest and let velocity of 
be 
From conservation of linear momentum, 
(i)
.png)
Now 
so that 
can rise up to point 
Putting the value of 
and 
en Eq. (i), we get
Next Question :
Two blocks of equal mass 
are connected by an unstretched spring and the system is kept at rest on a frictionless horizontal surface. A constant force 
is applied on the first block pulling away from the other as shown in Fig.
.png)
|
Then the displacement of the centre of mass |
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|
a) |
|
b) |
|
c) |
|
d) |
|
at time 
is
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