A body of mass 2 kg is placed on a horizontalfrictionless surface. If isconnected to one end of aspring whose force constantis 250 N/m. The other end ofthe spring is joined with thewall. A particle of mass0.15kg moving horizontallywith speed v sticks to thebody after collision. If itcompresses the spring by10cm, The velocity of theparticle is

A body of mass 2 kg is placed on a horizontalfrictionless surface. I

1.	A body of mass 2 kg is placed on a horizontalfrictionless surface. If isconnected to one end of aspring whose force constantis 250 N/m. The other end ofthe spring is joined with thewall. A particle of mass0.15kg moving horizontallywith speed v sticks to thebody after collision. If itcompresses the spring by10cm, The velocity of theparticle is
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