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ans 3

@SanjeevPatel
Ask your doubt

@AshishSingh can we Conserve energy in this case???to find max amplitude

@SanjeevPatel
It is given that particle sticks to the plate that means e=0 (perfectly inelastic collision)
So cannot conserve energy

Then how can we conserve momentum since external force is also acting(spring force)..

@SanjeevPatel
Because spring force and mg is non impulsive force so we can conserve Momentum in those cases

@AshishSingh
yes. for non impulsive forces, momentum can be conserved.An impulsive force is any force acting for a limited time. It is called impulsive because it transfers a definite linear momentum (impulse) to the body it is working on.
The transferred linear momentum Δ𝐋 is given by the integral over the time during which the force 𝐅(𝑡) acts.

@SanjeevPatel
and by site policy you should hv given right answers.

Always provide correct answer with your question
Follow website policy

@VEDANTZOPE but after the collision we can conserve energy right??. Till maximum compression..

@SanjeevPatel yess absolutely
You can

@AshishSingh can u plzz solve by conserving energy.. Coz my answer is not matching by that.. I hv big confusion there...