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A 1 kg mass is attached to a spring of force constant 600 N/m and rests on a smooth horizontal surface with other end of the spring tied to wall as shown in figure. A second mass of 0.5 kg slides along the surface towards the first at 3m/s. If the masses make a perfectly inelastic collision, then find amplitude and time period of oscillation of combined mass.

A

`5 cm, pi/(10) s`

B

`5 cm , pi/5 s `

C

`4 cm , (2pi)/(5)s `

D

`4 cm , pi/3 s`

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A
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