Last Updated On 01-06-2023 - By Jeesha Sara
An elastic collision taken place between two smooth, rubber balls same radius as shown in fig. Initially, one ball is at rest and the other is moving with velocity 
. At maximum compression
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i. ratio of potential to initial KE of the system is 
)/2
ii. ball 
is moving along direction 
iii. ball 
is moving along direction 
or 
iv. value of 
can not be used to finalise maximum compression velocities
Evaluate the above statements and choose the correct option from the following:
|
a) |
Statements i, ii are true and iii, iv are false |
|
b) |
Statements i, ii are false and iii,iv are true |
|
c) |
All statements are true |
|
d) |
All statements are false |
Question ID - 100210 :- An elastic collision taken place between two smooth, rubber balls same radius as shown in fig. Initially, one ball is at rest and the other is moving with velocity . At maximum compression
i. ratio of potential to initial KE of the system is )/2
ii. ball is moving along direction
iii. ball is moving along direction or
iv. value of can not be used to finalise maximum compression velocities
Evaluate the above statements and choose the correct option from the following:
a)
Statements i, ii are true and iii, iv are false
b)
Statements i, ii are false and iii,iv are true
c)
All statements are true
d)
All statements are false
An elastic collision taken place between two smooth, rubber balls same radius as shown in fig. Initially, one ball is at rest and the other is moving with velocity . At maximum compression
i. ratio of potential to initial KE of the system is )/2
ii. ball is moving along direction
iii. ball is moving along direction or
iv. value of can not be used to finalise maximum compression velocities
Evaluate the above statements and choose the correct option from the following:
|
a) |
Statements i, ii are true and iii, iv are false |
|
b) |
Statements i, ii are false and iii,iv are true |
|
c) |
All statements are true |
|
d) |
All statements are false |
(c)
Initial KE 
At the time of maximum compression,
Change in 
Change in KE= PE
At the time of max.Compression, impulse on 
is along direction 
and that on 
is in opposite direction. But the component of velocity of 
in direction perpendicular to 
is unchanged
Next Question :
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A ball of mass |
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|
a) |
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b) |
|
c) |
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d) |
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moving with velocity 
makes an oblique elastic collision with a stationary ball of mass 2
The angle of divergence between the balls after collision in ground frame, if the ball of mass 
turns by an angle of 
in centre of mass frame is
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