A block of mass 1 kg is connected with a massless spring of force constant 100 N"/"m. At t=0, a constant force F= 10 N is applied on the block. The spring is in its natural length at t=0. The speed of particle at x=6 cm from mean position is :

A block of mass 1 kg is connected with a massless spring of force cons

1.	A block of mass 1 kg is connected with a massless spring of force constant 100 N"/"m. At t=0, a constant force F= 10 N is applied on the block. The spring is in its natural length at t=0. The speed of particle at x=6 cm from mean position is :
Answer» `4 CM"/"s` `10 cm"/"s` `80 cm"/"s` `50 cm"/"s` ANSWER :C