please help... physics problem i dont get it... please?

nenaboniiitaaa

New member
A 3 kg block collides with a massless spring
of spring constant 94 N/m attached to a wall.
The speed of the block was observed to be
1.5 m/s at the moment of collision.
The acceleration of gravity is 9.8 m/s2 .
How far does the spring compress if the sur-
face on which the mass moves is frictionless?
Answer in units of cm.
 
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