Last Updated On [03-11-2023]
Two identical blocks 
and 
, each of mass ‘
’ resting on smooth floor are connected by a light spring of natural length 
and spring constant 
, with the spring at its natural length. A third identical block ‘
’ (mass 
) moving with a speed 
along the line joining 
and 
collides with 
. The maximum compression in the spring is
a)
b)
c)
d)
Two identical blocks and , each of mass ‘ ’ resting on smooth floor are connected by a light spring of natural length and spring constant , with the spring at its natural length. A third identical block ‘ ’ (mass ) moving with a speed along the line joining and collides with . The maximum compression in the spring is
a)
b)
c)
d)
Question ID - 51823 :-
Two identical blocks and , each of mass ‘ ’ resting on smooth floor are connected by a light spring of natural length and spring constant , with the spring at its natural length. A third identical block ‘ ’ (mass ) moving with a speed along the line joining and collides with . The maximum compression in the spring is
a)
b)
c)
d)
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Two identical blocks |
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a) |
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b) |
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c) |
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d) |
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(a)
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Initial momentum of the system (block 
After striking with 
, the block 
comes to rest and now both block 
and 
moves with velocity 
, when compression in spring is maximum
By the law of conservation of linear momentum
By the law of conservation of energy
K.E. of block 
K.E. of system + P.E. of system
Next Question :
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When a spring is stretched by |
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a) |
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b) |
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c) |
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d) |
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, it stores 
of energy. If it is stretched further by 
, the stored energy will be increased by
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