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When two blocks  and  coupled by a spring on a frictionless table are stretched and the released, then

a)

Kinetic energy of body at any instant after releasing is inversely proportional to their masses

b)

Kinetic energy of body at any instant may or may not be inversely proportional to their masses

c)

 when spring is massless

d)

Both (b) and (c) is correct


Question ID - 52730 | Toppr Answer

When two blocks  and  coupled by a spring on a frictionless table are stretched and the released, then

a)

Kinetic energy of body at any instant after releasing is inversely proportional to their masses

b)

Kinetic energy of body at any instant may or may not be inversely proportional to their masses

c)

 when spring is massless

d)

Both (b) and (c) is correct

1 Answer - 5876 Votes

3537

Answer Key : (c) -

(c)

When spring is massless then according to momentum conservation principle

 or 

  or 



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